hitherto unknown, (see introduction for note on general condition of this consignment) " /> Medellín, Banco Mercantíl de Medellín, 5-Pesos, 187-, horses galloping to right at upper center (unlisted in Pick), proof, "SPECIMEN" rubber-stamped in lower right signature area, "August 1874" written in pencil on lower right margin, <I>hitherto unknown, (see introduction for note on general condition of this consignment)</I> | Christie's