Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip III, assayer T, quadrants of cross transposed, Grade 1 (10 points), with hand-signed certificate from 1977. S-P21; KM-10. 23.38 grams. Very darkly toned over corroded surfaces but with full shield and cross nonetheless, clear date 16Z (the Z tilted and the 6 doubled and missing the top, prompting Treasure Salvors to put a date of "1607" on the certificate) which may not have had a final digit in error, edge-split, assessed as "Grade I" on both certificate and holder despite a relatively low point value on the certificate (desirably pre-"Mother Lode"). With original Fisher cardboard holder and photo-certificate 545 from 1977, hand-signed by Eugene Lyon, Duncan Mathewson, Claudia Singer, Mel and Dolores (Deo) Fisher, pedigreed to the J.P. Silberman Estate.Recovered from: Atocha, sunk in 1622 west of Key West, Florida.

Estimate: $1000 - $1500