Potosi, Bolivia, cob 4 reales, 1621T, quadrants of cross transposed, Grade 1. S-P21; KM-9; CT-unl. 12.66 grams. Bold P+T to left of full shield, the cross also full but off-center and lightly corroded, clear 21 of date. Pedigreed to the Classics collection, with Fisher tag and photo-certificate #96A-20589. Recovered from: Atocha, sunk in 1622 west of Key West, Florida
Estimate: $800-1200