Watch List notes:

Cuba, piefort silver 10 pesos, 1990, XI Pan American Games Havana 1991 / volleyball, NGC PF 66 Cameo, ex-Rudman. KM-292. Thick and heavy piefort (rare, no others listed in the NGC census), with bright surfaces covered in oddly worm-like texture but no discernible marks or friction. Pedigree to the Isaac Rudman Numismatic Cabinet.
($200-300)