Watch List notes:

Mexico City, Mexico, proof copper pattern 25 centavos, 1869C, NGC PF 64 BN, finest and only known example in NGC census, very rare. KM-Pn116. Light rainbow toning over luster with brassy base color, no marks except on the raised outer rims (actually more like a specimen strike than a proof), tiny bit of high-point flattening but no outright wear. NGC #4660486-001.
(5000 - 10000 USD)