1912 Liberty Head Nickel. Proof-67 (PCGS).Awe inspiring surfaces are toned in vivid antique gold, powder blue and pinkish-apricot iridescence. Universally reflective in finish with a full strike and virtually pristine appearance. The 1912 is the final Proof in the regular issue Liberty Head nickel series, the mintage 2,145 pieces. Survivors are scarce in an absolute sense and rare in Superb Gem Proof, as here.PCGS Population: 11; 8 finer in this category (Proof-68 finest).