CUBA. 20 Centavos, 1916. Philadelphia Mint. NGC PROOF-64 Cameo. KM-13.2. Mintage: 50. A <strong>VERY RARE</strong> and important date when encountered in proof, this enchanting near-Gem radiates with glistening brilliance and a mirror sheen, all while a deep tone in some spots imparts a good deal of character to the surfaces.