PAPER MONEY - BANKNOTES - BANKNOTES OF EUROPEAN COUNTRIES
BELGIUM: 20 Francs (3.4.1956) in lilac, violet and blue with portrait of R de Lassus at center. S/N: "H15 792550". WMK: King Leopold I. Signature by Williot. Inside holder by PMG "Gem Uncirculated 65 - EPQ". (Pick 132b).