Watch List notes:

(x) Banque Nationale de Belgique, consecutive 50 francs, 1938, serial number 3286M0626/27/28/29, also a 500 francs, 1943, serial number 1641.J.125,, (Pick 106, 109), 50 francs with centre fold, extremely fine, 500 francs in PMG holder 55 EPQ about uncirculated (5).

Estimate: £70 - £90