Watch List notes:

Potosi, Bolivia, 2 soles, 1859/9FJ, crude "La Paz style" head, weight of 1-1/2 soles (possibly rare). KM-unl. (cf. 135.1). 4.76 grams. Broad, thin flan that is exactly 25% underweight (but clearly genuine as heavily circulated), distinctive bust, nicely toned Fine+ with extra metal beyond rims and on field in front of face.

Estimate: $100 - 150