Watch List notes:

Banque Centrale du Congo Belge et du Ruanda Urundi, obverse artist's essay proof 50 francs, 28th February 1956, A000000, red on multicolour underprint with workers at weaving machinery centre-right and man at right, plain card obverse.(similar to Pick 32) In PCGS holder Very Choice New 64 Mounted on Cardstock, very attractive and rare with some slight colour smudging and ink annotation lower border.

Estimate: £250 - £350