Watch List notes:

Potosi, Bolivia, cob 8 reales, 1621 T, quadrants of cross transposed, Grade 2. S-P21; KM-10; Cal-933. 25.95 grams. Broad flan with silvery surfaces (minimally corroded), good full cross and shield, bottom of 21 of date. With Fisher tag and certificate 94A-7774. From: Atocha, sunk in 1622 west of Key West, Florida
($700-1000)