Watch List notes:

Potosi, Bolivia, cob 4 reales, 1617 M, Grade 1. S-P19; KM-9; Cal-773. 12.91 grams. Full 16 and 7 of date outside of bold full cross, full shield with bold denomination o-iiii to right, minimal surface corrosion, lightly toned. With Fisher tag and certificate 220734 (date not mentioned). From: Atocha, sunk in 1622 west of Key West, Florida
($800-1200)