拍品描述： Phenomenal Superb Gem quality for this scarcer entry in the Proof Liberty nickel series. Dusted with iridescent pinkish-gold toning, both sides are silky smooth in texture with pronounced field to device contrast. Easily among the finest survivors from a mintage of 2,405 pieces that we have offered in recent memory, this beautiful specimen comes highly recommended for advanced Proof type or date purposes.，PCGS# 22307. NGC ID: 278L.，NGC Census: 9; 5 finer in this category (all Proof-68 Cameo).，