| Added by |
 Bart Perdieus
|
| General Description : | Spiennes is well known for its flint mines,which are on the list of UNESCO World Heritage Sites since 2000. The entry on the list describes them as " one of the largest and earliest concentration of ancient mines in Europe" and cites the level of human technological development they demonstrate as justification for their inclusion |
| Face value | 6 Francs |
| Catalog code (Michel) | BE 1505 |
| Catalog code | Stamp Number BE 702 Yvert et Tellier BE 1450 Stanley Gibbons BE 2072 AFA number BE 1526 Belgium BE 1450 Unificato BE 1450 |
| Stamp colour | multicolor |
| Stamp use | Commemorative stamp |
| Print run | 2.750.000 |
| Issue date | 13/04/1968 |
| Designer | Luc Verstraete |
| Print technique | photogravure |
| Perforation | 11 1/2 |
| Height | 38.00 mm |
| Width | 27.00 mm |
| Catalog prices | No catalog prices set yet |
