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- C. & C. Co.
City Providence RI
Country Era c.1922
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- C. Sydney Smith & Co.
Symbol circle, diamond, kite, line
Shape circle, diamond, kite
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- C.B. Jewelry Co.
Country City Attleboro MA
Symbol cartouche, circle, frame
Shape cartouche, circle, frame
Era c.1922
-
- Cahoone & Co., George H.
Country City Providence RI
Symbol circle
Shape circle
Era c.1896, c.1915, c.1922
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- Canadian Jewelers Ltd
Country City Montreal QC
Symbol cartouche, circle, frame, lozenge, oval, rhombus
Shape cartouche, circle, frame, lozenge, oval, rhombus
Era c.1915, c.1922
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- Carr, Alwyn C.E.
Country City London
Symbol cartouche, circle, frame, oval
Shape cartouche, circle, frame, oval
Era (1872-1940)
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- Castillo, Pedro
Country City Taxco
Symbol circle, eagle
Shape circle
Era e.1948
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- Central Monogram Wks.
Country City Chicago IL
Symbol cartouche, circle, frame, ribbon
Shape cartouche, circle, frame
Era c.1934 c.1950, c.1943
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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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- Cohen, J.J.
Country City Philadelphia PA
Symbol cartouche, circle, frame
Shape cartouche, circle, frame
Era c.1915
-
- Cohn & Bro, Jos.
Country City New York NY
Symbol cartouche, circle, frame
Shape cartouche, circle, frame
Era c.1915
-
- Comyns & Sons, William
Country Era e.1848
Symbol cartouche, circle, frame
Shape cartouche, circle, frame
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- Conn Inc., A.H.
Country City Chicago IL
Symbol cartouche, circle, frame
Shape cartouche, circle, frame
Era c.1934
-
- Curtman Co. Inc.
Country City Providence RI
Symbol circle, hand, ribbon
Shape circle
Era c.1950, c.1943
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- Cutler & Co., Samuel
Country City Winnipeg MAN
Symbol circle
Shape circle
Era c.1922