Banque Centrale, Etats de L'Afrique Equatoriale, 500 Francs Chad, ND (1963), serial number W.8 A 00409, multicolour, mining scene at centre, palm left, woman right, border of triangles, value in top corners, reverse oasis scene, values top corners,, (Pick 4a, TBB B202a), uncirculated.
Estimate: £130 - £150