Watch List notes:

Potosi, Bolivia, cob 2 reales, 1621T, rare, Grade 1.S-P21; KM-8; Cal-634.6.60 grams.Solid and virtually uncorroded (brightly polished), with bold full shield and cross and clear bottom half of date (not mentioned on tag or certificate).With Fisher tag and photo-certificate #94A-268146. From: Atocha, sunk in 1622 west of Key West, Florida
($1250-2000)