| Added by |
 Alain Martineau
|
| General Description : | Color: grey green |
| Face value | 3½P |
| Catalog code (Michel) | GB 567C |
| Catalog code (Scott) | GB MH26 |
| Catalog code | Yvert et Tellier GB 611 Stanley Gibbons GB X858 AFA number GB 581 Unificato GB 611 |
| Series | Machin |
| Stamp colour | dark green grey |
| Stamp use | Definitive stamp |
| Issue date | 15/02/1971 |
| Designer | Machin |
| Paper type | coated, two phosphor stripes (10.5 mm spacing) |
| Print technique | photogravure |
| Printed by | Harrison & Sons Ltd. |
| Perforation | comb 15 x 14 |
| Height | 24.00 mm |
| Width | 21.00 mm |
| Catalog prices | No catalog prices set yet |
