Watch List notes:

Banque Centrale du Congo Belge et du Ruanda Urundi, obverse essay proof 50 francs, 27th Aug. 1956, A000000, red on multicolour underprint, workers at weaving machinery to centre-right and man at right, with plain card reverse(similar to Pick 32) In PCGS holder Very Choice New 64, mounted on cardstock, very attractive and unusual.

Estimate: £250 - £300