Watch List notes:

Potosi, Bolivia, cob 2 reales, Philip II, assayer B (2nd period), Grade 1. S-P6; KM-3.2; Cal-370. 5.55 grams. Choice full shield and cross (the latter slightly off-center, with tiny [1R-sized] "dancing" lions), clear assayer B, trace of surface corrosion on obverse only. With Fisher tag and certificate 128065. From: Atocha, sunk in 1622 west of Key West, Florida
($750-1100)