Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip III, assayer T, quadrants of cross transposed, Grade 1, ex-Atocha (1622), mounted cross-side out in thin-wire 14K gold bezel with shackle bail. 31.45 grams total. Full cross and shield, clear P+T and bold denomination, some weak areas but no corrosion, toned in crevices. From the Atocha (1622), with Fisher certificate #213456.

Estimate: $600-900