| Added by |
 Bart Perdieus
|
| Face value | 20 fr - Belgian franc |
| Catalog code (Michel) | BE MH23 |
| Catalog code | Stamp Number BE 434f; Yvert et Tellier BE C1649; Stanley Gibbons BE SB42; Belgium BE B9 |
| Series | Regele Boudouin - Belgia 1972 |
| Stamp colour | Light emerald | Light red brown |
| Stamp use | Booklet stamp |
| Print run | 623.644 |
| Issue date | 08/12/1972 |
| Paper type | Booklet, Definitive, Normal paper |
| Print technique | Photogravure |
| Perforation | comb 13½ x 12½ |
| Catalog prices | No catalog prices set yet |
