1878 Twenty-Cent Piece. Proof-64 (PCGS).，A blend of olive-gold, sandy-tan, deep rose and powder blue colors blanket both sides of this wholly original specimen. Fully struck with a pleasingly smooth appearance. Although circulation strike twenty-cent piece production was suspended in 1876, the Philadelphia Mint continued to strike Proofs of this denomination through 1878, the final year issue to the extent of 600 pieces.，PCGS# 5306. NGC ID: 27H5.，，From the Alexander Collection.
