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- Lemmon Co., J.E.
Country City New York NY
Symbol cartouche, circle, frame
Shape cartouche, circle, frame
Era c.1943
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- Leroy Mfg Co.
Country City New York NY
Symbol cartouche, circle, frame
Shape cartouche, circle, frame
Era c.1915
-
- Lettré, Emil
Country City Berlin, Hanau
Symbol cartouche, circle, frame
Shape cartouche, circle, frame
Era (1876-1954)
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- Levine, I.
Country City New York NY
Symbol cartouche, circle, frame, oval
Shape cartouche, circle, frame, oval
Era c.1922
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- Lewis, Robt.
Country City Winnipeg CAN
Symbol cartouche, circle, frame, oval
Shape cartouche, circle, frame, oval
Era c.1922
-
- Leys, Christie & Co.
Country City New York NY
Symbol arrow, circle, flower, leaf, plant
Shape circle
Era c.1896, c.1915, c.1934, c.1950, c.1943
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- Logee Co. Inc., E.L.
Country City Providence RI
Symbol cartouche, circle, frame
Shape cartouche, circle, frame
Era c.1934
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- López, Gerardo
Country City Taxco
Symbol cartouche, circle, frame, oval
Shape cartouche, circle, frame, oval
Era c.1939-c.1965
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- Lowe & Co. Inc., Edwin
Country City Providence RI
Symbol circle, scroll
Shape circle
Era c.1915
-
- Macpherson Jewelry Co.
Country City Providence RI
Symbol cartouche, circle, frame, shape
Shape cartouche, circle, frame, shape
Era c.1915
-
- Madier & Milenko
Country City New York NY
Symbol cartouche, circle, frame
Shape cartouche, circle, frame
Era c.1934, c.1943
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- Magid, Samuel M.
Country City Providence RI
Symbol circle, oval, ring
Shape circle, oval
Era c.1915
-
- Mandl, Leopold
Country Era 1867-1922
Symbol cartouche, circle, frame, oval, v clipped
Shape cartouche, circle, frame, oval, v clipped
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- Maritz Watch & Mfg. Co.
Country City St. Louis MO
Symbol cartouche, circle, frame
Shape cartouche, circle, frame
Era c.1922
-
- Martin-Copeland Co.
Country City Providence RI
Shape oval
Symbol arrow, oval
Era c.1915, c.1922, c.1934
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- Maschmeyer-Richards Silver Co.
Country City St. Louis MO
Symbol arrow, cartouche, circle, frame
Shape cartouche, circle, frame
Era c.1934