Watch List notes:

Cameroon: Banque des États de l'Afrique Centrale - République Unie du Cameroun 500 Francs ND(1974) SPECIMEN, P.15as, perforated "Specimen" at left border and overprint "Specimen - N° 0266" at upper right corner, lightly yellowed paper and tiny dint at lower right, otherwise perfect, condition: XF
[taxed under margin system]