1875 Liberty Seated Quarter. Proof-65 (PCGS). CAC.;This 1875 Proof quarter displays mottled olive-copper patina on antique silver on the obverse and lighter sandy-gray toning on the reverse. Delicate pink and powder blue highlights are also of note. This is a fully struck, uncommonly smooth survivor from a mintage of 700 Proof quarters of the date.;From our (Stacks) sale of the John Work Garrett Collection for The Johns Hopkins University, March 1976, part of lot 307.