Questa tavola di identificazione dei punzoni su dagherrotipo usa un sistema di classificazione flessibile ed aperto ai contributi di collezionisti privati e curatori di musei. L'idea è quella di proporre un modello unificato di classificazione internazionale per i punzoni su dagherrotipo. La proposta nasce dalle esperienze di studio, ricerca e collezionismo sviluppate da G. Chiesa e P.Gosio.
Maggiori informazioni sui  criteri di riferimento e sulla struttura dei codici di classificazione qui adottati si trovano su [questo link].
Questa è una pagina in aggiornamento costante per la consultazione e lo studio, aperta alla collaborazione di tutti. Qui sono pubblicate solo le schede sintetiche con grafica filigranata e dimensioni ridotte.
Testi estesi, grafica in alta risoluzione e le immagini fotografiche dei punzoni sono pubblicate sul libro:
Daguerreotype hallmarks - Dagherrotipi firmati

https://www.amazon.com/Daguerreotype-hallmarks-Dagherrotipi-firmati-Multilingual/dp/8831600761

This identification table for Daguerreotype Hallmarks uses a flexible classification system open to contributions from private collectors and museum curators. The idea is to propose a unified international classification model to give a single code to each Daguerreotype Hallmark. The proposal arises from the experience of study, research and collection developed by G.Chiesa and P.Gosio.
More information on  guidelines and structure of classification codes adopted here to classify the hallmarks is at [this link].
This is a page in constant updating for consultation and study, open to everyone's collaboration. Here aYou can see only synthetic records with small watermarked pictures.
Extended texts, high resolution graphics and photographic reproductions of the hallmarks are published on the book:

Daguerreotype hallmarks - Dagherrotipi firmati (multilingual edition: English / Italian)
https://www.amazon.com/Daguerreotype-hallmarks-Dagherrotipi-firmati-Multilingual/dp/8831600761

01NUMB   01NUMB  
1 NUMBer
Cipher number 1 engraved with a positive hallmark directly impressed on the back of the daguerreotype plate, not silvered side.
03NUMB   03NUMB  
3 NUMBer
Engraved on the back of the plate, top lefthand corner.
05NUMB   05NUMB  
5 NUMBer
See also: 03NUMB.
20MAAE   20MAAE  
20 Mass Askew Engraved.
20 massa disallineato inciso.
20MARI   20MARI  
20 MAss Rectangle Inscribed
This hallmark differs from the previous because it is executed with a negative punch. This means that the rectangle sinks into the plate, while the number remains raised on the surface. The two figures are aligned.
20MAUM   20MAUM  
20 MAss Undescored M
Hallmark inscribed in rounded rectangle.
30MAAE-1   30MAAE-1  
30 MAss Askew Engraved, variant 1
Positive hallmark engraved with two separate punches.
30MAAE-2   30MAAE-2  
30 MAss Askew Engraved, variant 2
Hallmark possibly engraved with two separate punches.
30MADD   30MADD  
30 MAss Double Disc
Negative hallmark with the 30 figure in relief inside two cirrcles.
30MAIR-1   30MAIR-1  
30 MAss Inscribed in Rectangle, variant 1.
Negative hallmark inscribed in rounded rectangle with the 30 figure in relief.
30MAIR-2   30MAIR-2  
30 MAss Inscribed in Rectangle, variant 2
Figure 3 with curved top profile.
30MAMI   30MAMI  
30 MAss M Inscribed
Circa 1842. Provenance: Central Europe.
30MAOI-1   30MAOI-1  
30 MAss Oval Inscribed, variant 1
Negative hallmark with the 30 figure well shaped serif font in relief.
30MAOI-2   30MAOI-2  
30 MAss Oval Inscribed, variant 2
Negative hallmark with the 30 solid figure, sans serif font, in relief.
30MMDI   30MMDI  
30 Mass M Dotted Inscribed
30 silver content with dotted M, inscribed in rounded rectangle.
30MMEI   30MMEI  
30 Mass ME Inscribed
30 mass ME, inscribed in rounded rectangle.
40IDIA   40IDIA  
40 Inscribed in DIAmond
40 silver mass, inscribed in diamond, sometimes eroded on the sides.
40MAAE   40MAAE  
40 MAss Askew Engraved
See also: 20MAAE, 30MAAE. Positive hallmark engraved with two separate punches.
40MAAF   40MAAF  
40 MAss Askew Fat
Apparent deformation of 40MAAE, but detected in various instances always in this peculiar form.
40MAAI   40MAAI  
40 MAss Askew Inscribed
Hallmark inscribed in blunted rectangle.
40MADI-1 (Rinhart n.18b mass)   40MADI-1  
40 MAss Disc Inscribed, variant 1
It should be noted the open figure 4.
40MADI-2 (Rinhart n.18a mass)   40MADI-2  
40 MAss Disc Inscribed, variant 2
40 MAss Disc Inscribed, variant 2. It should be noted the closed figure 4.
40MAEG   40MAEG  
40 MAss Elliptical Grid
40 silver mass, inscribed in ellipse with grid background.
40MAEI   40MAEI  
40 MAss Elliptical Inscribed
Negative hallmark, 40 silver content in relief on sunk elliptical background.
40MAEL   40MAEL  
40 MAss Engraved Locked
Positive hallmark directly engraved. Closed 4 figure.
40MAEN   40MAEN  
40 MAss ENgraved
Positive hallmark directly engraved. Open 4 figure.
40MAIN (Rinhart n.4d)   40MAIN  
40 MAss INgot
Negative hallmark, ‘40’ and ‘M’ on sunk ingot shaped background.
40MAMD-1   40MAMD-1  
40 MAss M Dotted, variant 1
Negative hallmark, ‘40’ and dotted ‘M’ in rounded rectangle.
40MAMD-2   40MAMD-2  
40 MAss M Dotted, variant 2
Negative hallmark, ‘40’ and ‘M’ with underlying large disc in rounded rectangle. Figure 4 fused with zero.
40MAMI   40MAMI  
40 MAss M Inscribed
Negative hallmark, ‘40’ and superscript ‘M’ in rounded rectangle.
40MAMR   40MAMR  
40 MAss M Raised
Negative hallmark, ‘40’ and raised ‘M’ in rounded rectangle. It should be noted the open figure 4.
40MAOI   40MAOI  
40 MAss Octagon Inscribed
Negative hallmark with the 4 figure closed in serif font.
40MARI-1   40MARI-1  
40 MAss Rectangle Inscribed, variant 1
Negative hallmark with the 40 figure in relief in serif font. Similar to 40MARI-4, but characterized by a closed figure 4 with transverse segment and ‘0’ misaligned.
40MARI-2   40MARI-2  
40 MAss Rectangle Inscribed, variant 2
Negative hallmark with the 40 solid figure, sans serif font, in relief. It is characterized by a closed figure 4 with figure 0 misaligned.
40MARI-3   40MARI-3  
40 MAss Rectangle Inscribed, variant 3
Negative hallmark characterized by an open figure 4 in sans serif.
40MARI-4   40MARI-4  
40 MAss Rectangle Inscribed, variant 4
Negative hallmark characterized by an open figure 4. Figure 4 with transverse segment misaligned.
40MARI-5   40MARI-5  
40 MAss Rectangle Inscribed, variant 5
Negative hallmark inscribed in rectangle with sharp edges characterized by an open figure 4 in serif.
40MEFN (Rinhart n.14)   40MEFN   
40 ME F. N.
40 ME F.N. dotted, negative hallmark inscribed in rounded rectangle.
40MMEI   40MMEI  
40 Mass ME Inscribed
Negative hallmark inscribed in rounded rectangle.
40MRAS   40MRAS  
40 Mass RAdiant Sun
Many thin sun’s rays and a raised 40 figure is difficult to read.
60MADI (Rinhart n.47)   60MADI   
60 MAss Disc Inscribed
Negative hallmark with silver content value inscribed in double disc.
AB&PRI (Rinhart n.1)   AB&PRI  
A B & P Rectangle Inscribed
A B & P inscribed in rectangle.
ABADIE   ABADIE  
Abadie, italic signature
French daguerreotypist
ABDOTT   ABDOTT  
A B DOTTed.
“A.B.” dotted and embossed, inscribed in rectagle.
ABRESCH   ABRESCH  
ABRESCH in capital letters
Abresch, probably German daguerreotypist.
AGBR40 (Rinhart n.2)   AGBR40  
Asterisk Gaudin BReveté 40
French Platemaker.
AGDO20   AGDO20  
Asterisk Gaudin DOublé 20
French Platemaker.
AGDO30   AGDO30  
Asterisk Gaudin DOublé 30
French Platemaker.
AGDO40   AGDO40  
Asterisk Gaudin DOublé 40
French Platemaker.
AJPD30   AJPD30  
Asterisk J P Doublé 30
Probably French platemaker.
AJPD40 (Rinhart n.29)   AJPD40   
Asterisk J P Doublé 40
Probably French platemaker.
AMOOCI (Rinhart n.4b)   AMOOCI   
A MOOn Crescent Inscribed
Unknown plate manufacturer
ANCHGD   ANCHGD  
ANCHor G D
Anchor inscribed in vertical oval, flanked on left side by the letter ‘G’ and on right side by the letter ‘D’.
ANSON (Rinhart n.3)   ANSON   
ANSONin capital letters
Anson, daguerreotypist.
ANTHONY (Rinhart n.4c)   ANTHONY  
ANTHONY, italic signature in rectangle
American Platemaker.
AS4SAI   AS4SAI  
ASterisk 4 Sectors Arrows Inscribed
Unknown (European?) plate manufacturer.
AS6SAI   AS6SAI  
ASterisk 6 Sectors Arrows Inscribed
Unknown (European?) plate manufacturer.
AS6SDE   AS6SDE  
ASterisk 6 Sectors Disc Engraved
Unknown (English?) plate manufacturer.
AS6SPE   AS6SPE  
ASterisk 6 Sectors Petals Engraved
Unknown (European?) plate manufacturer.
AS6STE (Rinhart n.21)   AS6STE  
ASterick 6 Sectors TEars
European plate manufacturer.
ASRASU   ASRASU  
ASterisk RAdiant SUn
Unknown (European?) plate manufacturer.
ASRSSE   ASRSSE  
ASterisk Radiant Sun Split Ends
Unknown (European?) plate manufacturer.
ASSCAI (Rinhart n.4d)   ASSCAI  
ASterisk Starry Circled A Inscribed
Unknown (American?) plate manufacturer.
ASSTCI (Rinhart n.4a)   ASSTCI  
ASterisk STar Circle Inscribed
Unknown American plate manufacturer.
BALCCD   BALCCD  
BALance, CC in Diamond
French Platemaker.
BALFCR   BALFCR  
BALance, F C in Rectangle
Unknown French Platemaker.
BCREIN   BCREIN  
B C REctangle INscribed
Initial letters ‘B’ and ‘C’ inscribed in rounded rectangle.
BEARD   BEARD  
R. BEARD in capital letters
Early English daguerreotypist.
BECKEL   BECKEL  
J. A & J. M BECKEL
American daguerreotype hallmark.
BELLOC   BELLOC  
A. BELLOC, italic signature
French daguerreotypist.
BERTRAND   BERTRAND  
A. BERTRAND, italic signature
French daguerreotypist.
BERUBET   BERUBET  
BERUBET, italic signature
French daguerreotypist.
BEYER   BEYER  
CHARLES BEYER / VARSOVIE
Polish daguerreotypist.
BFD40I (Rinhart n.7)   BFD40I  
B F Dotted 40 Inscribed
B.F. dotted, mass 40, inscribed in elonged octagon.
BINSSE (Rinhart n.32)   BINSSE  
L.B. BINSSE & C° N.Y.
American plate importer.
BISHOP   BISHOP  
LOUIS L. BISHOP
American plate importer.
BLEICC   BLEICC  
B LEtter Inscribed Clipped Corners
Unknown (English?) plate manufacturer.
BLEIDR (Rinhart n.6)   BLEIDR   
B LEtter Inscribed Dabbed Rectangle
Negative hallmark with Letter ‘B’ inscribed in rectangle with a pitted background.
BLETEN-1 (Rinhart n.5)   BLETEN-1  
B LETter ENgraved, variant 1
Negative hallmark with Letter ‘B’ directly engraved, variant 1.
BLETEN-2   BLETEN-2  
B LETter ENgraved, variant 2
Simple positive hallmark with ‘B’ letter.
BMONOG   BMONOG  
B MONOGram
Monogram B associated with a letter of difficult interpretation, perhaps ‘A’ or ‘N’.
BRASSART     
BRASSART in capital letters
French Platemaker.
BUTLER     
W M. H. BUTLER   N-YORK
American daguerreotypist.
CADBJD     
CADuceus B J Doublé
‘B’ and ‘J’ with caduceus stick inscribed in a double Samnite shield surmonted by the word DOUBLÉ.
CADPLD     
CADuceus P L Doublé
Caduceus stick flanked by the letters ‘P’ and ‘L’, inscribed in a box surmounted by the word DOUBLÉ.
CCHSLE     
C C H SLash Engraved
Positive hallmark with ‘C’ and reversed ‘C’ with dash. Monogram of unclear reading, with double C: straight and inverted, tied together
to form perhaps a capital H.
CD40DI (Rinhart n.8)     
C Dotted 40 Diamond Inscribed
‘C’ Letter dotted, silver content 40, inscribed in diamond.
CHAPMAN (Rinhart n.33)     
L. CHAPMAN   N.Y.
American platemaker.
CHRISTOFLE (Rinhart n.9)     
CHRISTOFLE
French platemaker.
CLAUDET     
A. CLAUDET, italic signature
French daguerreotypist.
CLETEN     
C LETter ENgraved
Simple positive hallmark with ‘C’ letter directly engraved.
COEULTE     
COEULTE, italic signature
French daguerreotypist.
CORDUAN (Rinhart n.10)     
CORDUAN & C° N Y
American platemaker.
CRBDEN     
C.R.B. Dotted ENgraved
Maybe a "G.R.B." ? French (?) platemaker.
CUPDP*     
CUP Doublé P incomplete
Platemaker hallmark probably from Central European area.
DAMME     
C. DAMME/ DANZIG
German daguerreotypist.
DLETEN     
D LETter ENgraved
Letter ‘D’ engraved with a positive hallmark directly impressed on the back of the daguerreotype plate, not silvered side.
DUBRAY     
J. DUBRAY, italic signature
French daguerreotypist.
EAGLEB     
EAGLE Bald
Bald Eagle inscribed in rectangle with rounded corners at the top. Eagle viewed from the side, claws with olive branch and arrows.
EAGLEL (Rinhart n.18a)     
EAGLE Left beak
This Eagle hallmark, such as the following one, was observed by F.& M. Rinhart, associated with Grise brand.
EAGLER (Rinhart n.17)     
EAGLE Right beak
Eagle with beak turned to the right, inscribed in rounded rectangle.
EDJB40 (Rinhart n.25)     
Eagle Doublé JB 40
Eagle and ‘doublé’ marking, initials JB, mass 40.
EEREVE     
E and E REVErsed
Hallmark with two ‘E’s back to back, dot and 30 silver content value.
ENSSCH     
ENSlin SCHreiber & C°.
Negative hallmark of “Enslin Schreiber & Co” engraved in bowed sector shape.
ERDE20     
E R Dotted Engraved 20
European platemaker.
ES&COI (Rinhart n.12)     
ES & Co Inscribed
American platemaker.
FCOVIN     
FC OVal INscribed
European (Italian?) platemaker.
FORTELLE     
FORTELLEin capital letters
Negative Hallmark with the word ‘FORTELLE’ inscribed in a rectangle.
FROMENT     
FROMENT, italic signature
Signature performed by hand with a burin on a daguerreotype plate.
FSSTAI (Rinhart n.15)     
F S STAr Inscribed
Hallmark observed by Rinhart. It may be a a partial of JFSS40 hallmark.
GARANTI     
GARANTI
Negative hallmark in rectangle with rounded extremities.
GARANTI-C     
GARANTI, italic
French platemaker.
GARANTIE     
GARANTIE
French platemaker.
GARANTIE-R     
GARANTIE, capital letters in Rectangle
European (French?) platemaker.
GARARI (Rinhart n.16)     
GARANTIE A. R.
GARANTIE, dotted letters ‘A’ and ‘R’, inscribed in a blunted rectangle.
GIROUX     
MAISON ALPH. GIROUX * PARIS *
 
GLETEN     
G LETter ENgraved
Letter ‘G’ engraved with a positive hallmark directly impressed on the back of the daguerreotype plate, not silvered side.
GLETTE-1     
G LETTEr, variant 1
Italic letter ‘G’ engraved with a positive hallmark directly impressed.
GLETTE-2     
G LETTEr, variant 2
Italic letter ‘G’ engraved with a positive hallmark directly impressed.
GLETTE-3     
G LETTEr, variant 3
Italic letter ‘G’ in lowercase character engraved with a positive hallmark directly impressed.
GOUIN     
A. GOUIN, italic signature
French daguerreotypist.
GRISET (Rinhart n.18b)     
DOUBLÉ GRISET
Word ‘DOUBLÉ’, diamond with point, ‘GRISET’, all enclosed in rectangle.
GUILLON     
GUILLON, italic signature
French daguerreotypist.
GURNEY     
GURNEY  N.Y.
American daguerreotypist.
HAIH40     
HAmmer I H 40
Negative hallmark with silversmith’s hammer, ‘I’ and ‘H’ letters, mass 40, enclosed in rectangle.
HBE20I     
HB Eagle 20 Inscribed
Please see HBE40I.
HBE30I     
HB Eagle 30 Inscribed
Please see HBE40I.
HBE40I (Rinhart n.19)     
HB Eagle 40 Inscribed
The eagle, with folded wings, claws, and a globe. The head is surmounted by a little star.
Hallmarks with different mass indications are known: HBE20I, HBE30I, HBE40I, and HBE60I.
HBE60I     
HB Eagle 60 Inscribed
H.B. dotted, eagle, silver content 60, enclosed in a blunted rectangle.
HBHE40 (Rinhart n.20)     
HBH Eagle 40
Negative hallmark with initials ‘H.B.H.’, eagle and mass 40 value, all enclosed in elongated and blunted rectangle.
HEDIARD     
HEDIARD in capital letters
French platemaker.
HERRMANN     
W. HERRMANN C°    BERLIN
Linear positive hallmark, divided into two sections, of W. Herrmann & Co. Berlin.
HHDORI (Rinhart n.22)     
H H DOtted Rectangle Inscribed
Platemaker probably in the European area.
HOSSAUER     
HOSSAUER BERLIN
German platemaker.
HOUSSEMAINE     
HOUSSEMAINE in capital letters
Positive hallmark ‘HOUSSEMAINE’, usually in connection with ‘GARANTI’.
HSDRIN (Rinhart n.23)     
H S Dot Rectangle INscribed
Rinhart speculated that Southworth & Hawes, Boston, used this hallmark. However this is very unlikely, since the initial order is incorrect. Daguerreotype plates made in Paris.
HUNZIKER     
HUNZIKER, capital letters in rectangle
Negative hallmark with writing enclosed in slightly blunted rectangular area.
IHA30E     
IH Asterisk 30 E
Mass value 30E accompanied by the letters ‘I’ and ‘H’ flanked by a disk with four jagged sectors.
IHA40E (Rinhart n.24)     
IH Asterisk 40 E
Mass value 40E accompanied by the letters ‘I’ and ‘H’ flanked by a disk with four jagged sectors.
JFSS40 (Rinhart n.15 partial / Rinhart n.27)     
J F S Star 40
Initials ‘J.F.S.’ with star and mass 40, all enclosed in a blunted rectangle.
JONES (Rinhart n.28)     
JONES & Company N.Y.
American platemaker.
LBB&CE (Rinhart n.31)     
L.B.B. & CompagniE
Positive hallmark “L.B.B. & Ce” usually coupled with the 20 and 40 silver mass 20.
LEGRAY     
Gustave LEGRAY
French daguerreotypist.
LEREBOURS     
LEREBOURS, italic signature
French platemaker.
LGD40I (Rinhart n.34)     
L G Dotted 40 Inscribed
‘L.G.’ initials, 40 mass value, inscribed in rectangle.
LLETEN     
L LETter ENgraved
‘L’ letter engraved with a positive hallmark directly impressed on the back of the daguerreotype plate, not silvered side.
LLLEDE     
L L Letters Dotted Engraved
Initials ‘L.L.’ engraved with a direct positive hallmark.
MACHTS     
MACHTS in capital letters
Austrian platemaker.
MADELAIN     
MADELAINin capital letters
French platemaker.
MAGIC (Rinhart n.37)     
MAGIC in capital letters
American platemaker.
MARERD (Rinhart n.11)     
Magen ARies ER Doublé
Magen (Jewish Star) and ram flanked by the letters ‘E’ and ‘R’, DOUBLÉ.
MARJWD (Rinhart n.30)     
Magen ARies J W Doublé
Magen (Jewish Star) and ram flanked by the letters ‘J’ and ‘W’, DOUBLÉ.
MARNWD (Rinhart n.30 variant)     
Magen ARies N W DOUBLÉ
Magen (Jewish Star) and ram flanked by the letters ‘N’ and ‘W’, DOUBLÉ.
MARPLD     
Magen ARies P L Doublé
Magen (Jewish Star) and ram flanked by the letters ‘P’ and ‘L’, DOUBLÉ.
MCCLGE (Rinhart n.36)     
MC CLees & GErmon
Positive halmark of “McCLEES & GERMON”.
MDDDI (Rinhart n.35)     
M Double Dotted Diamond Inscribed
Negative hallmark with ‘M’ letter and two dots, above and below, inscribed in diamond.
MEADE-1     
MEADEBrothers Importers  N.Y.  variant 1
Meade Brothers Importers, New York.
MEADE-2     
Meade & Bro.  variant 2
Meade Brothers Importers, New York.
MOFFET     
J.G. MOFFET N.Y.
Daguerreotype plates importer.
MORTLEY     
A.B. MORTLEY   UTICA N.Y.
American daguerreotype plates importer and producer.
MSDRIN (Rinhart n.38)     
M S Dotted Rectangle INscribed
Initials “M.S.” with dots inscribed in rectangle with clipped corners.
N&WRIN (Rinhart n.39)     
N & W Rectangle INscribed
Negative hallmark with ‘N & W’ enclosed in rectangle.
NINET     
ALP. NINET.
Direct positive daguerreotype hallmark of Alphonse Ninet.
NO1DIT (Rinhart n.40)     
N° 1 Dotted Inscribed Textured
Negative hallmark with ‘N° 1’ and a dot externally displaced to the right, inscribed in rectangle with argyle background.
NO10IT     
N° 10 Inscribed Textured
Hallmark with ‘N° 10’ inscribed in rectangle with argyle background.
NO15IT     
N° 15 Inscribed Textured
Hallmark with “N° 15” inscribed in rectangle with argyle background.
NORTON (Rinhart n.41)     
NORTON in capital letters
Hallmark “NORTON”, inscribed in rectangle.
NP40OD     
N P 40 Octagon Dotted
Negative hallmark with the initials “N.P.” and mass value 40 enclosed in elonged octagon.
NP40OI (Rinhart n.42)     
N P 40 Octagon Inscribed
Squeezed up initials ‘NP’, sign “=” and mass 40, inscribed in an elongated octagon.
PECKS     
PECKSPATENT - APRIL 30 1850
Positive hallamrk, consists of two parts, each of which was commonly transversally impressed on the two corners of the plate.
PEMBERTON (Rinhart n.43)     
PEMBERTON & Co CONN.
Linear positive hallmark “PEMBERTON & Co CONN.”
PHOENIX (Rinhart n.44)     
PHOENIX hallmark
Negative hallmark “PHOENIX”, enclosed in serrated box.
PLETEN     
P LETter ENgraved
‘P’ letter engraved with a positive hallmark directly impressed on the back of the daguerreotype plate, not silvered side.
PLUMB     
JOHN PLUMB
American daguerreotypist.
PLUMBE-1     
PLUMBE, variant 1
American daguerreotypist.
PLUMBE-2     
PLUMBE, variant 2
American daguerreotypist.
POIRIER     
POIRIER, italic signature
French daguerreotypist.
RAMON     
RAMON, italic signature
French daguerreotypist.
RICHEBOURG     
RICHEBOURG
French daguerreotypist.
ROOSTER     
ROOSTERhallmark
Negative hallmark with rampant rooster enclosed in vertical oval.
ROUSSEAU     
J. ROUSSEAU & C°
American daguerreotypist.
S&FEND   (Rinhart n.45)     
S & F ENclosed in Diamond
American daguerreotypist.
SBDPFL     
S B, Dotted, Plus, FLourished
Initials ‘S’ and ‘B’ dotted, to the sides of a ‘+’ sign, arabesque embellishing.
SBLETE     
S B LETtErs
Positive hallmark directly engraved with initials ‘S’ and ‘B’.
SCHNEIDER     
Fr. SCHNEIDER. Linkstr. 9. Berlin.
German platemaker.
SCOVILL (Rinhart n.46c)     
SCOVILL MFG C°. EXTRA
American platemaker.
SCOVILLS-1 (Rinhart n.46a)     
SCOVILLS, variant 1
American platemaker.
SCOVILLS-2 (Rinhart n.46b)     
SCOVILLS, variant 2
American platemaker.
SPIRO     
SPIRO in capital letters
German platemaker.
STARS3     
Daguerreotype hallmark consisting of three stars
American platemaker.
TVIOLG     
Daguerreotype hallmark consisting of initials ‘T’ and ‘G’ divided by a violin figure and dominated by the word “DOUBLÉ”
Belgian (?) platemaker.
VAILLAT-1     
Vaillat, variant 1, italic signature
French daguerrotypist.
VAILLAT-2     
VAILLAT, variant 2, italic signature
French daguerrotypist.
VLFLAM     
V Letter FLAMing
Hallmark consisting of a flaming letter ‘V’.
WCROHI     
W CROwn Hexagon Inscribed
North European platemaker.
WHHDIN (Rinhart n.49)     
WHH Dotted INscribed
Negative hallmark “W.H.H.” enclosed in rounded rectangle.
WHITE-1 (Rinhart n.13)     
E. WHITE MAKER N.Y.      FINEST QUALITY A.N.°1
American platemaker.
WHITE-2     
E. WHITE MAKER N.Y.      SECOND QUALITY
American platemaker.
WRMANP (Rinhart n.20b)     
WReath MAN Portrait
Male bust inserted in wreath with double oval.
XAVIER     
XAVIER, , italic signature
French daguerrotypist.
ZOA (Rinhart n.50)     
ZOA Hallmark associated with the GARANTIE hallmark
French platemaker.

© 2015-2019 by Gabriele Chiesa & Gianpaolo Gosio.

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Questa è una pagina in aggiornamento costante per la consultazione e lo studio, aperta alla collaborazione di tutti. Qui sono pubblicate solo le schede sintetiche con grafica filigranata e dimensioni ridotte.
Testi estesi, grafica in alta risoluzione e le immagini fotografiche dei punzoni sono pubblicate sul libro:
Daguerreotype hallmarks - Dagherrotipi firmati

https://www.amazon.com/Daguerreotype-hallmarks-Dagherrotipi-firmati-Multilingual/dp/8831600761

More information on  guidelines and structure of classification codes adopted here to classify the hallmarks is at [this link].
This is a page in constant updating for consultation and study, open to everyone's collaboration. Here aYou can see only synthetic records with small watermarked pictures.
Extended texts, high resolution graphics and photographic reproductions of the hallmarks are published on the book:

Daguerreotype hallmarks - Dagherrotipi firmati (multilingual edition: English / Italian)
https://www.amazon.com/Daguerreotype-hallmarks-Dagherrotipi-firmati-Multilingual/dp/8831600761