| Added by |
 Bart Perdieus
|
| Face value | 4 + 2 Francs |
| Catalog code (Michel) | BE 1757 |
| Catalog code | Stamp Number BE B912 Yvert et Tellier BE 1698 Stanley Gibbons BE 2341 AFA number BE 1766 Belgium BE 1705 Unificato BE 1698 |
| Stamp colour | multicolor |
| Stamp use | Semi Postal stamp |
| Print run | 807.604 |
| Issue date | 23/02/1974 |
| Designer | Willy Bosschem |
| Print technique | photogravure |
| Perforation | 11 1/2 |
| Height | 39.00 mm |
| Width | 28.00 mm |
| Catalog prices | No catalog prices set yet |
![Belgium 1974 used, Adolphe Quetelet, Belgian astronomer [Cw]](https://i.ebayimg.com/thumbs/images/g/0zYAAOSwgYBbXIM8/s-l225.jpg)
