| Added by |
 Bart Perdieus
|
| Face value | 20 fr - Belgian franc |
| Catalog code (Michel) | BE MH18 |
| Catalog code | Stamp Number BE 474b; Yvert et Tellier BE C1484; Stanley Gibbons BE SB37; Belgium BE B2 |
| Series | Regele Boudouin - Belgia 1969 |
| Stamp colour | Dull purple | Lilac pink |
| Stamp use | Booklet stamp |
| Print run | 1.098.303 |
| Issue date | 17/02/1969 |
| Paper type | Booklet, Definitive, Normal paper |
| Print technique | Photogravure |
| Perforation | comb 13½ x 12½ |
| Catalog prices | No catalog prices set yet |
