Watch List notes:

Potosi, Bolivia, 1 sol, 1831, Republica Boliviana / Constitution, PCGS MS62, ex-Derman. Burnett-unl (obv unl, rev 9); Fonrobert-unl. Obverse with arms inside REPUBLICA BOLIVIANA (matching design of previous lot); reverse with JURADA / EN POTOSI / EN 4 DE SEP / TIEMBRE / 1831 within wreath (matching next lot); reeded edge. Choice details and fields, the obverse with much luster but the deeply struck reverse with faint trace of "43" inked or engraved at top. Pedigreed to the Alberto "Coco" Derman collection (Cayon auction of December 2007, lot #742, where it was listed as "inedita" [unpublished]). PCGS #32914177. The Whittier Collection of Bolivian Monetary Medals

Estimate: $400-600