Watch List notes:

Potosi, Bolivia, cob 8 reales, 1617M, Grade 1, ex-Atocha (1622), mounted cross-side out in 18K bezel. 32.46 grams total. Bold full date straddling a natural edge-crack outside a choice full cross-lions-castles, choice full shield on other side (no corrosion), nicely toned, interesting mount with bezel behind the coin but with scallop-like prongs wrapped to front of coin. From the Atocha (1622), with original Fisher certificate #155481 and Fisher replacement photo-certificate.

Estimate: $1250-2500