COLOMBIA. Banco de la República. 500 Pesos Oro. July 20, 1944. P-391s2. Specimen.A gorgeous ABNCo. Specimen note on bond paper of the second year of issue of this high denomination and design type. Olive face with Bolívar at the right end. Standard style back in orange. Series G engraved into the plate (making this a “s2” Specimen). Red 00000 serial number and SPECIMEN across face. Exceptional colors on both sides.