1878 Twenty-Cent Piece. Proof-64 Cameo (PCGS).Heavily frosted, fully struck design elements contrast markedly with deeply reflective fields on both sides of this gorgeous Cameo Proof. Mottled reddish-copper peripheral toning adds further appeal, as does the fact that the 1878 is a Proof-only issue from the final year of the twenty-cent series, the mintage just 600 coins.From The Dr. Andrew Mitchell Collection.
