Potosi, Bolivia, oval silver medal, no date (ca. 1848-1855), Constitution. 26.64 grams, 42x35mm. Obverse with open book in wreath with legend LIBRE POR LA CONSTITUCION, CONSTITUCION BOLIVIANA on book; reverse with Hercules with club inside legend EN PREMIO DE SUS SERVICIOS AL PRESIDENTE CONSTITUCIONAL DE BOLIVIA. Lustrous AU- with toning around details.
Estimate: $300 - 450