Watch List notes:

Potosi, Bolivia, cob 2 reales, Philip III, assayer Q, Grade 3. S-P17; KM-8; Cal-627. 5.98 grams. Full but lightly corroded shield, full but slightly doubled cross, broad flan. With Fisher tag and certificate 127354. From: Atocha, sunk in 1622 west of Key West, Florida
($500-750)