Watch List notes:

Potosi, Bolivia, cob 8 reales, 1617 M, Grade 3. S-P19; KM-10; Cal-921. 22.45 grams. Broad flan with 100% full date outside of full cross-and-tressure, full but very slightly doubled shield, small edge-crack, lightly surface-corroded but overall choice for the designated Grade, with some light toning all over. With Fisher tag and certificate 176168. From: Atocha, sunk in 1622 west of Key West, Florida
($500-750)