1915年水牛5分 PCGS Proof 67+。1915 Buffalo Nickel. Proof-67+ (PCGS). CAC.;Gleaming Matte finish with full mint brilliance, complemented with a subtle circular overlay of bright orange-sunset, pale gold. sky-blue, and mint-green iridescence. Surfaces are stunningly beautiful and appear close to perfection. An absolutely amazing Proof Buffalo nickel, which would be nearly impossible to improve upon. Just 1,050 Matte Proofs were produced for collectors.