1875 Liberty Seated Half Dollar. Proof. Unc Details--Questionable Color (PCGS).,Warm rose-gray patina with glints of more vivid blue, lilac and apricot undertones evident as the surfaces dip into a light. The appearance of this coin is quite pleasing despite the stated qualifier, suggesting that strong bids are in order.,PCGS# 6436. NGC ID: 27U9.,,From the Alexander Collection. Collector envelope included.