1936 Walking Liberty Half Dollar. Proof-67+ (PCGS). CAC.,Exceptionally vivid peripheral toning is more varied and extensive on the reverse of this breathtakingly beautiful specimen. Fully struck and expectably smooth for the assigned grade, this is a Condition Census survivor of the rarest Proof Walking Liberty half dollar that belongs in the finest specialized collection. From a mintage of just 3,901 pieces, the lowest for the type.,PCGS# 6636. NGC ID: 27V4.,PCGS Population: just 4; with a single Proof-68 finer.,From the Alexander Collection.