Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip III, assayer R (curved leg), Grade 1, ex-Atocha (1622), mounted cross-side out in ornate 18K gold pendant with diamonds embedded in skull design at top, swivel bail. 35.23 grams total. Choice coin with full and uncorroded cross-lions-castles and shield with P-R to left (assayer not mentioned on tag or certificate), mounted 90 degrees clockwise in a flat round bezel with engraving on back and sides, appliques on front including scrolls, stars and skulls, with larger skull at top bearing VVS diamonds for eyes. From the Atocha (1622), with original Fisher tag and certificate 85A-175291.

Estimate: $1500 - $2250