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- Chicago Silver Co.
Country City Chicago IL
Symbol cartouche, circle, frame
Shape cartouche, circle, frame
Era e.1923-1945
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- Church & Company
Country City Newark NJ
Symbol building
Era c.1934 c.1950, c.1943
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- Ciner & Steeleman
Country City New York NY
Era c.1915
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- Ciner Mfg. Co. Inc.
Country City New York NY
Era c.1922, c.1934 c.1950, c.1943
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- Cini Inc., Guglielmo
Country City Boston MA
Era c.1950
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- Claflin, Donald
Country City New York NY
Era (1935 – 1979)
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- Clap, Harvey & Co.
Country City Attleboro MA
Era c.1934
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- Clark & Noon Inc.
Country City Newark NJ
Era c.1934
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- Clark & Co., W.G.
Country City North Attleboro MA
Symbol cartouche, flag, frame, octagon, shield
Shape cartouche, frame, octagon, shield
Era c.1896, c.1915
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- Clark & Coombs Co.
Country City Providence RI
Symbol arrow, frame, triangle
Shape frame, triangle
Era c.1934 c.1950, c.1943
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- Clark Ring Co.
Country City Buffalo NY
Era c.1950, c.1943
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- Clarke & Oswald Co.
Country City Newark NJ
Symbol cartouche, frame, horseshoe
Shape cartouche, frame
Era c.1922
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- Cleary, Joseph J.
Country City Newark NJ
Era c.1950
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- Cobb Co., J.L.
Country City Mansfield MA
Symbol cartouche, frame, rectangle
Shape cartouche, frame, rectangle
Era c.1915, c.1934
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- Codding & Heilborn Co. Inc.
Country City N. Attleboro MA
Era c.1915
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