Potosi, Bolivia, 1 sol-sized silver medal, 1844, Ballivian, encapsulated NGC MS 65, finest known in NGC census. Fonrobert-9536; Burnett-26. 20mm; 3.30 grams. Obverse with PRESIDENTE CONSITUTOCIONAL J BALLIVIAN and bust of President; reverse with NOS DIOS PATRIA LEY Y PAZ 1844. Choice. NGC certification number 4431156007. ($200-300)