Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip III, assayer T, Grade 3.S-P21; KM-9; Cal-Type 149.12.83 grams.Choice full cross and shield (especially for the assigned Grade) with only very light surface corrosion, nicely toned, hairline edge-split.With original Fisher certificate #200708 (tag missing). From: Atocha, sunk in 1622 west of Key West, Florida
($500-750)