1864 Liberty Seated Dime. Proof-65 (PCGS). CAC.This wonderfully original Gem displays a familiar pattern of toning for a Proof Liberty Seated dime from the outstanding Millholland Collection. It is also an expertly produced and carefully preserved specimen that is sure to sell for a premium bid to a particularly discerning numismatist. Proof mintage: 470 pieces, high quality survivors of which enjoy heightened collector demand due to the rarity of Mint State 1864 dimes.PCGS# 4757. NGC ID: 23CM.PCGS Population: 20; 7 finer in this category (Proof-67 finest).<p>CAC Population: 6; 2.From the Collection of James Allaire Millholland, 1842-1911.