1864 Liberty Seated Quarter. Proof-65 Cameo (PCGS). We are pleased to be offering multiple high grade examples of this Civil War era Proof quarter issue in this sale. The present specimen is a beautifully toned Gem with iridescent cobalt blue and reddish-apricot peripheral colors around golden-tinged centers. Highly reflective, the fields support frosty, fully impressed design elements. Enchanting Cameo Gem Proof quality from a mintage of just 470 coins in this format.