1870 Liberty Seated Half Dime. Proof-65 (PCGS). CAC.;This is a beautiful Gem 1870 half dime, vividly toned in olive-gray, golden-orange, reddish-russet and cobalt blue. A lively Proof finish and sharp striking detail enhance the appeal of this captivating specimen.;From our (Stacks) sale of the John Work Garrett Collection for The Johns Hopkins University, March 1976, part of lot 304.