1875-CC Twenty-Cent Piece. BF-2. Rarity-1. MS-64 (PCGS). This richly original example exhibits blended blue, lime-green, and copper-gray patina on the obverse, somewhat lighter cobalt blue and reddish-apricot iridescence on the reverse. Sharply struck throughout with a full quota of softly frosted luster. Conditionally scarce Choice Uncirculated quality for the only readily collectible Carson City Mint issue in the brief twenty-cent series of 1875 to 1878.