| Added by |
 Bart Perdieus
|
| General Description : | The first flight from Brussels to Leopoldville (now Kinshasa) was performed by Edmond Thieffry |
| Face value | 7 Francs |
| Catalog code (Michel) | BE 1834 |
| Catalog code (Scott) | BE 938 |
| Catalog code | Yvert et Tellier BE 1777 Stanley Gibbons BE 2404 AFA number BE 1840 Belgium BE 1782 Unificato BE 1777 |
| Series | 50th Anniv. First flight Brussels to Kinshas |
| Place in series | 1 |
| Stamp colour | Black & Lilac |
| Watermark | None |
| Stamp use | Commemorative stamp |
| Print run | 3.500.000 |
| Issue date | 18/10/1975 |
| Designer | Oscar Bonnevalle / Paul Verheyden |
| Print technique | Photogravure and Recess |
| Perforation | 11 1/2 |
| Height | 28.00 mm |
| Width | 39.00 mm |
| Catalog prices | Used stamp $0.30 Unused stamp $0.55 |
