Watch List notes:

(x) Bank Nationale du Rwanda, a printers obverse and reverse composite essay on card for a 50 francs, 1 January 1978, serial number M 0000000, brown, green and pale blue, gorilla at left, mountain at right, reverse pale blue and multicoloured, excavators and mining scene at centre(Pick and TBB unrecorded), in PCGS Currency holders obverse and reverse 64 Very Choice New (2).

Estimate: £400 - £600