Watch List notes:

Potosi, Bolivia, cob 8 reales, (1)619T, ex-Atocha (1622), Grade 2, mounted cross-side out in sterling silver bezel with 14K gold prongs and shackle bail plus pirate head embellishment in center. 41.10 grams total. Full cross-and-tressure with flat center (where pirate head is placed), bottoms of digits of date visible, full (but also centrally flat) shield with bold P+T and denomination, no corrosion, toned in crevices. From the Atocha (1622), with Fisher certificate #199679 (coin date not stated on certificate).

Estimate: $600-900