Fonrobert.9552, Bolivia 1850 4 soles size proclamation medal, Potosi mint; silver, lettered and vertically reeded edge; OBV: M. Y. BELZU PRESIDENTE CONSTITUCIOal DE BOLIVIA. 1850, with the head of Belzu facing 3/4 left; Reverse: LA FUERZA NACIONAL TRIUNFO DE LA ANARQUIA, MOLON under status with the Hercules vanquishing dragon; extra fine or so, few medal flaws, uneven edge as common, appears to be a variety (CONSTITUCIONal is the full enscription).