| Issuer | Belgium |
| Year | 1909-1926 |
| Type | Standard circulation banknotes |
| Value | 50 Francs (50 BEF) |
| Currency | Franc (1832-2001) |
| Composition | Paper |
| Size | 160 × 98 mm |
| Shape | Rectangular |
| Printer | National Bank of Belgium Printing Works, Brussels, Belgium (1851-2020) |
| No. printed | |
| Designer(s) | Constant Montald |
| Engraver(s) | Édouard Biet |
| In circulation to | 1 June 1950 |
| Reference(s) | P#68 |
| Obverse description | Dark green on light green and blue underprint. Seated man (allegory of Agriculture) at left and woman (Law) at right. |
| Reverse description | Green on light red underprint. Seated woman with lion at left; woman and children (students) at right. |
| Signature(s) | |
| Protection type | Watermark |
| Protection description | National Bank of Belgium and head of Minerva. |
| Obverse lettering | 50
BANQUE NATIONALE
DE BELGIQUE
5.1.21
CINQUANTE FRANCS
PAYABLES A VUE
LA LOI PUNIT LE CONTREFACTEUR
DES TRAVAUX FORCES (Translation: National Bank of Belgium January 5th., 1921 Fifty Francs Payable at sight The law punishes the counterfeiter forced labor.) |
| Reverse lettering | NATIONALE BANK
VAN BELGIE
VYFTIG FRANK
BETAALBAAR OP ZICHT
CONSTANT MONTALD (Translation: National Bank of Belgium Fifty Francs Payable at sight.) |
| Variants | |
| Catalog ID | 5759182060 |
| Comments |
