Banque Nationale du Congo, archival photographs showing designs for the obverse of a 500 Francs, and the obverse and reverse (2) of a 1000 Franc, ND (1961-64), the 500 Franc is virtually identical to the 1961 issue, whereas the 1000 Franc bares only some resemblance to the series of 1960, in PCGS holders 30, very fine and 61, 62 and 60, uncirculated, very rare and interesting (4 photos)
Pick unlisted £150-£200