Watch List notes:

MEXICO, Mexico City, cob 2 reales, Philip II, assayer O below oM to left, ex-Atocha Research Collection (coin 114). S-M11; KM-31; Cal-357. 6.44 grams. Remarkably corrosion-free, with choice full cross and shield, the latter slightly off-center but with bold full denomination IJ below two dots to right, most of king's name in legend, toned in crevices. With original Fisher photo-certificate 85A-236215 (replacement tag). Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $2000 - $3000