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- La France Jewelry Co.
Country City Buffalo NY, Philadelphia PA
Era c.1934 c.1950
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- La Grayce Co.
Country City San Francisco CA
Era c.1934
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- Laan de Vries, H. van der
Country City Haarlem
Symbol cartouche, frame, hexagon, oval
Shape cartouche, frame, hexagon, oval
Era early 20th century
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- Lacaze, René Sim
Country City Paris
Era (1901 – 2000)
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- Lachman & Sons Co., I.
Country City Seattle WA
Symbol diamond
Shape diamond
Era c.1934
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- Lachmann, Anton
Country Era 1867-1922
Symbol cartouche, dot ., frame, oval
Shape cartouche, frame, oval
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- Lachmann, Eduard
Country Era 1867-1922
Symbol cartouche, frame, oval
Shape cartouche, frame, oval
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- Lachmann, Hermann
Country Era 1867-1922
Symbol cartouche, frame, rectangle
Shape cartouche, frame, rectangle
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- Lachner, August
Country Era 1867-1922
Symbol cartouche, dot ., frame, oval, v clipped
Shape cartouche, frame, oval, v clipped
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- Lachner, Josef
Country Era 1867-1922
Symbol cartouche, frame, line, oval, v clipped
Shape cartouche, frame, oval, v clipped
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- Lackenbauer, Karl
Country Era 1867-1922
Symbol cartouche, frame, oval
Shape cartouche, frame, oval
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- Lackner, Eduard
Country Era 1867-1922
Symbol cartouche, frame, octagon, rectangle
Shape cartouche, frame, octagon, rectangle
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- Lacloche Frères
Country City Madrid, Paris
Symbol cartouche, frame, oval
Shape cartouche, frame, oval
Era e.1875
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- Lafitte, Gaston
Country Era fl.1900-10
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- Lahner, Franz
Country Era 1867-1922
Symbol cartouche, frame, oval, v clipped
Shape cartouche, frame, oval, v clipped
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- Lakewood Co.
Country City Lakewood NJ
Symbol banner
Era c.1915
