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- Nikoladoni, Frank & Co.
Country Era 1867-1922
Symbol cartouche, frame, triangle
Shape frame, triangle
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- Nov-E-Line Mfg. Co. Inc.
Country City New York NY
Symbol cartouche, frame, triangle
Shape cartouche, frame, triangle
Era c.1922, c.1934
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- Noyons, J.H.
Country City Utrecht
Symbol cartouche, frame, triangle
Shape cartouche, frame, triangle
Era early 20th century
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- Oliver MFG. Co.
Country City Los Angeles CA
Symbol cartouche, frame, triangle
Shape cartouche, frame, triangle
Era c.1922
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- Parks Bros. & Rogers Inc.
Country City Providence RI
Symbol cartouche, circle, clover, frame, globe, horseshoe, rectangle, shamrock, square, triangle
Shape cartouche, circle, frame, rectangle, square, triangle
Era c.1915, c.1922, c.1934
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- Phoel & Sons
Country City New York NY
Shape lozenge, rhombus, triangle
Symbol lozenge, rhombus, triangle
Era c.1934 c.1950, c.1943
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- Pohl Co., Fredderick C.
Country City Cleveland OH
Symbol cartouche, frame, triangle
Shape cartouche, frame, triangle
Era 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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- Reiner & Berkow Inc.
Country City New York NY
Symbol cartouche, frame, triangle
Shape cartouche, frame, triangle
Era c.1934
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- Reis Co. Inc.
Country City Indianapolis IN
Symbol cartouche, frame, triangle
Shape cartouche, frame, triangle
Era c.1950
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- Reitmann, Ph.
Country Era 1867-1922
Symbol cartouche, dot ., frame, triangle
Shape cartouche, frame, triangle
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- Rosen & Co., N.
Country City New York NY
Symbol cartouche, frame, triangle
Shape cartouche, frame, triangle
Era c.1922
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- Rufeisen, Henry Inc.
Country City Newark NJ
Symbol cartouche, frame, triangle
Shape cartouche, frame, triangle
Era c.1934
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- Sammartino Bros.
Country City Providence RI
Symbol cartouche, frame, shield, triangle
Shape cartouche, frame, shield, triangle
Era c.1950, c.1943
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- Shepard Co., C.B.
Country City Melrose MA
Shape triangle
Symbol globe, tree, triangle
Era c.1915
