1887 Liberty Seated Half Dollar. Proof-64 Cameo (PCGS). CAC. Speckles of iridescent toning are boldest at the right obverse and upper reverse borders, both sides retaining considerable bright silver brilliance. Boldly cameoed in finish with a fully executed strike, the limited mintage of the circulation strike 1887 half dollar issue further enhances the desirability of this lovely Choice Cameo Proof. From the Collection of Silas Stanley Roberts, 1888-1966.