Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip III, date "162" without final digit, assayer not visible (T), quadrants of cross transposed, rare, Grade 1. S-P21; KM-unl; Cal-unl. 13.11 grams. Silvery but with minimal surface corrosion, bold full shield and cross (both slightly doubled), bold full assayer and 162 date with clear ornament immediately following (hence engraved without final digit, perhaps in 1620), matching at least one other coin according to research by Carol Tedesco, first we have offered. With Fisher tag and photo-certificate 85A-188284. From: Atocha, sunk in 1622 west of Key West, Florida
($1250-2000)