1937 Walking Liberty Half Dollar. Proof-67 (PCGS).A fully struck silver white example with modest contrast between semi-reflective fields and lightly frosted devices. The second issue in the Proof Walking Liberty half dollar series, the 1937 is also the second scarcest after the first year 1936. This is an outstanding Superb Gem from a mintage of 5,728 coins.From the Rosie Collection.