Watch List notes:

Potosi, Bolivia, cob 2 reales, 1617M/C (unique over-assayer), Grade 1. S-P19 6.48 grams. Good full shield with bold P-M, the M/C somewhat unusual but clear nonetheless, slightly off-center full cross with clear ANO 161 in legend, very light surface corrosion only. With Fisher certificate #131773. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $700 - 1000