| Added by |
 Bart Perdieus
|
| General Description : | Jules Boulvin (1855-1920) was an engineer who studied steam machines. |
| Face value | 1 Franc |
| Catalog code (Michel) | BE 1342 |
| Catalog code | Stamp Number BE 607 Yvert et Tellier BE 1282 Stanley Gibbons BE 1885 AFA number BE 1362 Belgium BE 1282 Unificato BE 1282 |
| Stamp colour | black / dark yellow green |
| Stamp use | Commemorative stamp |
| Print run | 3.600.000 |
| Issue date | 02/03/1964 |
| Print technique | Photogravure and Recess |
| Perforation | 11 1/2 |
| Height | 28.00 mm |
| Width | 39.00 mm |
| Catalog prices | No catalog prices set yet |
