1860-O Liberty Seated Silver Dollar. OC-6. Rarity-2. MS-63 (NGC). With moderate toning and smooth, Choice-quality surfaces, this coin is superior to the typically encountered Mint State 1860-O dollar from the Treasury Department releases. Smoky sandy-mauve patina are seen as are mottled powder blue and antique silver undertones. Sharply struck and perfect for high grade type purposes. PCGS# 6950. NGC ID: 24Z3.