Online Encyclopedia of Silver Marks, Hallmarks & Makers' Marks
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American Silver Marks ~ Sterling & Coin Silver

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Alphabetical Listing by Maker's Name
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Pictorial Marks                  Initial Marks                  Unidentified Marks

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Ga • Ga           Ge • Go           Go • Gr           Gr • Gy
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Grogan Co. Grogan Company
Pittsburgh, PA
The leading retail jeweler of Pittsburgh ca. 1890-1930, sold high end jewelry and silver.




G&W Grosjean & Woodward
Boston, MA & New York, NY
Active as early as 1840 in Boston, active c1852 - 1862 in NY. Charles Grosjean & Eli Woodward made high quality coin silver and some sterling and were major suppliers to the early Tiffany & Company.




C.Guiteau
Calvin Guiteau
Watertown, New York
Nashville, Tennessee
(b.1805-d.1846) Active 1825-1836 in NY, 1836-1846 in Nashville. Silversmith, watchmaker & jeweler. Partnership of Peabody & Guiteau 1839-1843


G, star A. T. Gunner & Co.
Attleboro, MA ~ c1920 - c1980
Spun sterling holloware & flatware.




FJRG Frederick J. R. Gyllenberg
Boston, Massachusetts ~ c1900 - c1932
Handwrought Arts & Crafts silver and copper holloware.
Trained and worked at the Handicraft shop with Leinonen.




FJRG, AHS F. J. R. Gyllenberg & Alfred H. Swanson
Boston, Massachusetts ~ 1926 - c1932
Handwrought Arts & Crafts silver and copper holloware.
This partnership shared a workshop with Karl Leinonen.
Alphabetical Listing by Maker's Name
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A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   Y   Z

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