| Added by |
 Bart Perdieus
|
| General Description : | Jan Duiker (also Johannes Duiker) (The Hague, 1 March 1890 - Amsterdam, 23 February 1935) was a Dutch architect. |
| Face value | 20 + 10 Cent |
| Catalog code (Michel) | NL 917 |
| Catalog code (Scott) | NL B446 |
| Catalog code | Yvert et Tellier NL 890 Stanley Gibbons NL 1087 AFA number NL 917 NVPH NL 922 Unificato NL 890 |
| Stamp colour | blue violet / greenish black |
| Stamp use | Semi Postal stamp |
| Print run | 1.071.404 |
| Issue date | 15/04/1969 |
| Designer | R.J. Draijer |
| Print technique | photogravure |
| Printed by | Joh. Enschedé en Zonen |
| Perforation | 14 x 12 3/4 |
| Height | 26.00 mm |
| Width | 36.00 mm |
| Catalog prices | No catalog prices set yet |
