Watch List notes:

Potosi, Bolivia, cob 4 reales, 1618T, rare, Grade 1, ex-Atocha Research Collection coin #219. S-P21; KM-9; CT-247. 13.32 grams. Very choice full shield and cross, bold full date and assayer, corrosion-free and nicely toned. Pedigreed to the Classics collection and to the Paul Karon collection (Superior, December 1992, lot #155), with Fisher tag and photo-certificate #141470. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $1250-2000