| Added by |
 Bart Perdieus
|
| Face value | 20 fr - Belgian franc |
| Catalog code (Michel) | BE MH21 |
| Catalog code | Stamp Number BE 473h; Yvert et Tellier BE C1562; Stanley Gibbons BE SB40; Belgium BE B7 |
| Series | Regele Boudouin - Belgia 1970 |
| Stamp colour | Dark ochre brown | Yellowish green |
| Stamp use | Booklet stamp |
| Print run | 722.979 |
| Issue date | 04/12/1970 |
| Paper type | Booklet, Definitive, Normal paper |
| Print technique | Photogravure |
| Perforation | comb 13½ x 12½ |
| Catalog prices | No catalog prices set yet |
