Republique du Tchad, Banque des Etats de lAfrique Centrale, specimen 1000 francs, ND (1978), serial number O.0 00000, blue, workers picking cotton at centre, woman at right, reverse carved wooden mask, mining excavator at centre, carved wooden statue at right, watermark, antelope head (Pick 3s, TBB B202as), perforated SPECIMEN, in PMG holder 58 Choice about Unc