1888 Liberty Seated Dime. Proof-66 (PCGS).Mottled olive-russet and steel-blue iridescence is splashed over a base of warm pewter-gray patina. This is a handsome Gem Proof, richly original in preservation and also handled with the utmost care over the years.PCGS# 4785. NGC ID: 23DD.From the Collection of James Allaire Millholland, 1842-1911.