(x) Banque Centrale des Etats de l'Afrique de l'Ouest, specimen 2500 francs, H (Niger), ND (ca 1992-), blue and multicoloured, also specimen 5000 francs, ND (1992-), K (Senegal), blue, (Pick 612H, 713K ), red SPECIMEN SANS VALEUR overprint, uncirculated (2).
Estimate: £100 - £150