Potosi, Bolivia, 1 sol-sized silver proclamation medal, 1857, Cordova / Linares. Burnett-79b; Fonrobert-9623; Bosco-40.2. 3.36 grams Medallic commemorative coinage for the birthday of the Supreme Leader (President Jorje Cordova) on 10 July. The bust receiving the laurels is a portrait of Cordova. AU/UNC, with heavy die polish. ($100-150)