| Added by |
 Bart Perdieus
|
| Face value | 20 + 10 Cent |
| Catalog code (Michel) | NL 970 |
| Catalog code (Scott) | NL B477 |
| Catalog code | Yvert et Tellier NL 939 Stanley Gibbons NL 1138 AFA number NL 970 NVPH NL 997 Unificato NL 939 |
| Stamp colour | multicolor |
| Stamp use | Semi Postal stamp |
| Print run | 2.215.752 |
| Issue date | 09/11/1971 |
| Designer | Babs van Wely |
| Paper type | normal paper |
| Print technique | photogravure |
| Printed by | Joh. Enschedé en Zonen. |
| Perforation | 12 3/4 x 14 |
| Height | 36.00 mm |
| Width | 25.00 mm |
| Catalog prices | No catalog prices set yet |
