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- Paramount JLY. Co.
Country City New York NY
Symbol cartouche, diamond, frame, rhombus
Shape cartouche, diamond, frame, rhombus
Era c.1922
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- Peisachow Jewelry Co. Inc.
Country City Buffalo NY
Symbol cartouche, diamond, diamond ring, frame, gem, gemstone, ring
Shape cartouche, diamond, frame
Era c.1934
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- Perelman & Son
Country City New York NY
Symbol cartouche, diamond, frame, lozenge, rhombus
Shape cartouche, diamond, frame, lozenge, rhombus
Era c.1934
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- Piel Frères
Country City Paris
Symbol cartouche, diamond, frame, lozenge, rhombus
Shape cartouche, diamond, frame, lozenge, rhombus
Era e.1855
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- Pince van der Aa, W.
Country City Nijmegen
Symbol asterisk *, cartouche, diamond, frame, lozenge, rhombus, star
Shape cartouche, diamond, frame, lozenge, rhombus, star
Era early 20th century
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- Plisson et Hartz
Country Era 1898-1904
Symbol animal, cartouche, cat, diamond, frame, lozenge, rhombus
Shape cartouche, diamond, frame, lozenge, rhombus
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- Ponsioen, Th. G.
Country City Nijmegen
Symbol cartouche, diamond, frame, kite, lozenge
Shape cartouche, diamond, frame, kite, lozenge
Era early 20th century
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- Powers & Mayer Mfg. Corp.
Country City New York NY
Symbol cartouche, diamond, frame, kite, laurel, lozenge, ribbon, wreath
Shape cartouche, diamond, frame, kite, lozenge
Era c.1896, c.1915, c.1934
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- Queen-O-Love Diamond Rings Inc.
Country City New York NY
Symbol cartouche, crown, diamond, diamond ring, frame, gem, heart, ring, triangle
Shape cartouche, diamond, frame, heart, triangle
Era c.1950, c.1943
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- Raeburn, Harry
Country City New York NY
Symbol cartouche, diamond, frame, lozenge, rhombus
Shape cartouche, diamond, frame, lozenge, rhombus
Era c.1950, c.1943
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- Ravinet D’Enfert
Country Era fl.20th cen
Symbol cartouche, clover, diamond, frame, lozenge, rhombus, tree
Shape cartouche, diamond, frame, lozenge, rhombus, star
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- Rexford Co., The
Country City Philadelphia PA
Symbol cartouche, diamond, frame, lozenge, rhombus
Shape cartouche, diamond, frame, lozenge, rhombus
Era c.1896, c.1915
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- Richline Group
City Burbank, CA, North York, ON, Tamarac, FL
Country Era Contemporary
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- Risler et Carré
Country Era fl.1920-60
Symbol cartouche, diamond, frame, kite, lozenge, square, star
Shape cartouche, diamond, frame, kite, lozenge, square, star
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- Robbins Co.
Country City Attleboro MA
Symbol banner, bird, cartouche, diamond, frame, lozenge, rhombus, shield, square, wings
Shape cartouche, diamond, frame, lozenge, rhombus, shield, square
Era c.1934 c.1950, c.1943