1871 Nickel Three-Cent Piece. Proof-65 (PCGS). CAC.;This beautiful, untoned Gem has a razor sharp strike and nicely mirrored finish. Today in 2017 the market level of high-grade Proofs of the late 19th century is lower than it was a few years ago. In this we see an opportunity!;From our (Stacks) session of Auction 81, July 1981, part of lot 1673.