Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip III, assayer curved-leg R, Grade 4, ex-Atocha (1622), mounted cross-side out in unique 14K gold bezel with anchor embellishment and shackle bail. 15.88 grams total. Solid coin (nicely toned) with good full cross and shield but with tangential piece (about 20%) lost to corrosion and craftily enhanced with an anchor and chain on the edge by the jeweler, a surprisingly nice presentation for the given Grade. From the Atocha (1622), with Fisher certificate 85A-211140 (tag missing).
($500-750)