Watch List notes:

Mexico City, Mexico, proof copper pattern 50 centavos, 1869C, NGC PF 64 BN, finest and only known example in NGC census, very rare. KM-Pn117. Muted luster splashed with rainbow toning and dramatic spots of remaining original color, minimal marks but no wear, with raised rims more akin to a specimen strike than a proof. NGC #4660486-003.
(2500 - 5000 USD)