Watch List notes:

(x) Banque Nationale Du Katanga, progressive proof, 500 francs, ND (31 October 1960), no serial number, brown, obverse incomplete, reverse, civic theatre building in Elisabethville, 20 francs, ND (1 December 1960), no serial number, obverse incomplete, multicolour, reverse, two miners with pneumatic drill(Pick 9, 6A, TBB B207, B202 for type), about uncirculated.

Estimate: £250 - £300