Watch List notes:

Potosi, Bolivia, cob 2 reales, Philip III, assayer M/Q, from the Atocha (1622), no tag or certificate. S-P18; KM-8; CT-unl. 6.90 grams. Full but somewhat flat shield and cross, bold P-M/Q, odd-shaped flan, AVF but polished and very typical for its stated shipwreck origin.

Estimate: $100