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- Leading Jewelry Mfg. Co. Inc., The
Country City New York NY
Symbol cartouche, circle, clover, frame, quatrefoil
Shape cartouche, circle, frame
Era c.1922, c.1934
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- Lewis & Paige Inc.
Country City Providence RI
Symbol banner, crest, crown, shield
Shape crest, shield
Era c.1915
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- Marsellus & Pitt
Country City New York NY
Era c.1896, c.1915
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- Osmun-Parker Mfg. Co.
Country City Newark NJ
Symbol crescent, moon
Era c.1896, c.1915
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- P-M Jewelry Creations Inc.
Country City New York NY
Era c.1950
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- Pabst, Emanuela
Country Era 1867-1922
Symbol cartouche, frame, rectangle
Shape cartouche, frame, rectangle
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- Page & Co., M.S.
Country City Boston MA
Era c.1934
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- Paillette, Auguste
Country City Paris
Symbol cartouche, frame, lozenge, rhombus
Shape cartouche, frame, lozenge, rhombus
Era c.1920-30s
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- Paine Co., Geo L.
Country City North Attleboro MA
Era c.1915
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- Paine, William L.
Country City Argenta AK
Symbol lock, padlock
Era c.1896, c.1915
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- Palache, M.
Country City Den Haag
Symbol cartouche, frame, octagon, rectangle, square
Shape cartouche, frame, octagon, rectangle, square
Era early 20th century
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- Paloma Picasso
Country City Paris
Era (1949- )
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- Palter Co.
Country City New York NY
Era c.1950
-
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- Paltscho, Carl
Country Era 1867-1922
Symbol cartouche, frame, rectangle
Shape frame, rectangle
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- Paltscho, Ernst
Country Era 1867-1922
Symbol cartouche, frame, oval, v clipped
Shape cartouche, frame, oval, v clipped