Panama, proof copper-nickel clad copper 1 balboa, 1982, Vasco Nunez de Balboa. KM-39.1. 22.70 grams. Bright mirror Proof (but not cameo) with minor imperfections but no marks, scarce as from a mintage of only 500 pieces. Pedigreed to the Richard Stuart collection. (Estimate: $100 - 150)