Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip II, assayer A, Grade 1. S-P11; KM-4.2 ;CT-346. 12.69 grams. Round flan with bold P-A, full and well-detailed shield and cross despite weak spots, much legend, minimal corrosion, scarce and desirable early issue. With Fisher certificate #TM1372. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $500 - 750