1939 Jefferson Nickel. FS-901. Reverse of 1940. Proof-67 (PCGS).Virtually pristine with a universally reflective finish, both sides of this gorgeous Superb Gem are dusted with iridescent golden-gray toning. This is by far the scarcer of the two reverse hub varieties of the Proof 1939 Jefferson nickel, here offered in a rare and highly desirable Superb Gem grade. The Reverse of 1940 is identifiable by sharp, well defined steps on Monticello.PCGS# 94176. NGC ID: 2TR4.PCGS Population: 48; 7 finer in this category (Proof-68 finest).