Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip II, assayer B (5th period), Grade 2. S-P14; KM-4.2 for type; Cal-525. 13.13 grams. Full P-B to left of full but partially weak shield, the cross also full but lightly struck, no corrosion, lightly toned. With Fisher tag and certificate 161353. From: Atocha, sunk in 1622 west of Key West, Florida
($600-900)