| Added by |
 Bart Perdieus
|
| Face value | 7 Francs |
| Catalog code (Michel) | BE 1783 |
| Catalog code | Stamp Number BE 881 Yvert et Tellier BE 1727 Stanley Gibbons BE 2365 AFA number BE 1792 Belgium BE 1731 Unificato BE 1727 |
| Stamp colour | multicolor |
| Stamp use | Commemorative stamp |
| Print run | 3.500.000 |
| Issue date | 12/10/1974 |
| Designer | Willy Bosschem / Constant Spinoy |
| Print technique | Photogravure and Recess |
| 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)
