CAM

CAM Short for Cameo. Also, PCGS grading suffix used for 1950 and later Proofs that meet cameo standards.

CAM: Short for "Cameo," proof coins that have frosted devices and lettering that contrast with the shinier fields
carbon spot: a brown or black spot on a coin, caused by impurities or oxidation ...

C
Term Definition
CAM
Short for "Cameo," proof coins that have frosted devices and lettering that contrast with the shinier fields ...

Valerian I Æ 27mm of Samos, Ionia. AVT K POLIC VALEPIANOC, Laureate, draped bust right / CAM-IWN, Tetrastyle temple with arch above cultus statue of Samian Hera standing facing.
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Légende : PERPETVVS IN NEMEI VIVAR. S. CRA. M. ACT. CAM. INC. COM. CAST. PERP. ET SVPR. COM. 1789..

See also: Revers, Reverse, Copper, Commemorative, Eagle