Banque Centrale du Congo Belge et du Rwanda-Urundi, specimen 100 francs, 15 November 1953, no serial numbers, blue and pale green, two elephants and riders right centre, palm tree behind, reverse blue and pale yellow, Nyambo cattle at right (Pick 25as, TBB B305fs), small perforation, two red SPECIMEN diagonal overprints, in PMG holder 64 choice uncirculated, rare