| Added by |
 Maciej Pasztor
|
| General Description : | Color: mushroom |
| Face value | 11 1/2 Pence |
| Catalog code (Michel) | GB 862 |
| Catalog code (Scott) | GB MH76 |
| Catalog code | Yvert et Tellier GB 966 Stanley Gibbons GB X893 AFA number GB 938 Unificato GB 966 |
| Series | Machin |
| Stamp colour | Grey Brown |
| Watermark | None |
| Stamp use | Definitive stamp |
| Issue date | 14/01/1981 |
| Designer | Arnold Machin |
| Paper type | coated, fluorescent (FCP), one central phosphor stripe |
| Print technique | photogravure |
| Printed by | Harrison & Sons Ltd. |
| Perforation | 15 x 14 |
| Height | 24.00 mm |
| Width | 21.00 mm |
| Catalog prices | Used stamp $0.20 Unused stamp $0.60 |
