Watch List notes:

Potosi, Bolivia, cob 2 reales, 1683V, ex-Princess Louisa (1743), aligned axis, mounted in sterling silver bezel with 14K gold prongs and shackle bail. 8.25 grams total. Moderately corroded but with bold full pillars and cross, nicely toned. From the Princess Louisa (1743).

Estimate: $150-225