Watch List notes:

Oruro, Bolivia, 1 sol, 1849, Belzu, PCGS AU details / cleaning. Burnett-29B; Fonrobert-unl. Obverse with Cerro de Socabon with church to left and sun to right within wreath under legend CERRO DEL SOCABON.; reverse with GRATITUD / AL SOR. Pe: / [script] MYB. with legend REPUBLICA BOLIVIANA at top and .J.M.1S.1849.OR. across bottom, the latter being the assayer, denomination, date and Oruro mintmark (monogram), hence unquestionably intended to circulate as a coin; reeded edge. Lustrous and choice (much bolder strike than usual), with fields brighter than high points due to debased silver, natural flan bulge at CERRO near possible evidence of striking over a previous issue, quite rare as unholed, which KM calls "so rare that no clear price range is yet established." PCGS #32915150. The Whittier Collection of Bolivian Monetary Medals

Estimate: $400-600