Watch List notes:

Banque Nationale Du Katanga, a progressive proof essay 10 Francs, ND (1960), partial printing of the obverse and complete printing of the reverse, obverse green, brown and red multicolour, flag at right, reverse brown on multicolour, foundry at centre, denomination at both sides,, (Pick 5s, TBB B201w), uncirculated.

Estimate: £50 - £80