Belgian Congo, Specimen 500 Francs ND (circa 1929), Série 0. Portrait woman at upper center Rev. Elephants bathing at center. Pick 18s, Billeta Belgica 500/1. about Uncirculated. Signatures Louis Franck and René Gauillaume. Printer ABNC. The earlier 500 Francs note executed in black, serial number printed five times. Very rare, with two red SPECIMEN overprint, and perforations.