Banque Nationale du Congo, 1961 Issue. 50, 100 Francs, P-5s, 6s. Lion at left end. J. Kasavubu at right. Both with overprint in red: SPECIMEN on both sides, and a small 14 hand inked in the top right corner. Mounting residue at back right end on both. Otherwise Extremely Fine or a bit better. 2 pieces.
Estimate: 375-750