1887 Liberty Seated Quarter. Proof-66 (PCGS). CAC.This enchanting specimen exhibits wonderfully original patina in olive-russet, steel-blue and deep pearl-gray. The toning is iridescent in quality and allows full appreciation of Proof reflectivity as the surfaces dip into a light. Full striking detail and a silky smooth appearance are also praiseworthy attributes. From a mintage of 710 Proofs, high quality survivors of which are particularly desirable given the paucity of Gem Mint State examples from the associated circulation strike delivery of just 10,000 coins.PCGS# 5588. NGC ID: 23XK.PCGS Population: 31; 6 finer in this category (all Proof-67).<p>CAC Population: 7; 1.From the Collection of James Allaire Millholland, 1842-1911.