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- Thalhammer, Richard
Country Era 1867-1922
Symbol cartouche, frame, rectangle
Shape cartouche, frame, rectangle
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- Thayer Manufacturing Jewelry Co.
Country City Astoria NY
Era c.1896
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- Theberath & Co.
Country City Newark NJ
Shape pear shape, triangle
Symbol arrow, pear shape, triangle
Era c.1915
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- Theimer, Leopold
Country Era 1867-1922
Symbol cartouche, dot ., frame, rectangle
Shape cartouche, frame, rectangle
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- Theleman, Fred J.
Country City Milwaukee WI
Era c.1934, c.1943
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- Them, Rudolf
Country Era 1867-1922
Symbol cartouche, frame, octagon, rectangle
Shape cartouche, octagon, rectangle
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- Ther, Ferdinand
Country Era 1867-1922
Symbol cartouche, frame, oval
Shape cartouche, frame, oval
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- Ther, Franz
Country Era 1867-1922
Symbol cartouche, frame, octagon, rectangle
Shape cartouche, frame, octagon, rectangle
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- Thesmar, André Fernand
Country City Neuilly
Era 1843-1912
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- Thew, Mary
Country Era fl.1900-30
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- Thielen, W.A.
Country City Gilze
Symbol cartouche, frame, rectangle, square
Shape cartouche, frame, rectangle, square
Era early 20th century
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- Thieme en Redeker
Country City Amsterdam
Symbol cartouche, frame, ribbon
Shape cartouche, frame
Era early 20th century
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- Thier, Kraus & Beam
Country City Pittsburght PA
Symbol cartouche, circle, frame, seal
Shape cartouche, circle, frame
Era c.1915
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- Thiery & Co.
Country City Newark NJ
Era c.1915
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- Thijssen, W.J.I.
Country City Haarlem
Symbol cartouche, circle, frame, hammer
Shape cartouche, circle, frame
Era early 20th century
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- Thillart, H.W.M.van den en W.M. van Oort
Country City Den Bosch
Symbol asterisk *, cartouche, frame, star, triangle
Shape cartouche, star, triangle
Era early 20th century