Watch List notes:

Potosi, Bolivia, cob 8 reales, (1)617M (date at 8 o'clock), denomination as O-V-III (rare), Grade 1. S-P19; KM-10 ;CT-129. 26.09 grams. Good full shield and cross (slightly doubled), the former with clear P-M to left and error denomination to right, lightly tan-toned, no corrosion. With Fisher certificate #158699, housed in brown folio with 2012 appraisal letter. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $500 - 750