1917-S Walking Liberty Half Dollar. Reverse Mintmark. MS-64 (NGC).,Offered is a brilliant and sharply struck near-Gem with a delicate satin texture to both sides. Despite a mintage of 5,554,000 pieces, the 1917-S Reverse Mintmark is a conditionally challenging early date Walking Liberty half dollar that is scarce to rare in all Mint State grades.,PCGS# 6573. NGC ID: 24PU.,,From the Domino Collection II.