CHILE: Republic, AR peso, Santiago, 1817, KM-82.2, assayer FD, "Volcano peso" type, NGC graded AU50. The KM-82.2 pesos dated 1817 come with assayer initials FJ and FD, of which FD is much rarer and worth considerably more than the relatively common FJ.
Estimate: 2,000-2,500 USD