| Added by |
 Alain Martineau
|
| Face value | 12 Pence |
| Catalog code (Michel) | GB 821 |
| Catalog code (Scott) | GB MH78 |
| Catalog code | Yvert et Tellier GB 902 Stanley Gibbons GB X943 Unificato GB 902 |
| Series | Machin |
| Stamp colour | Yellowish Green |
| Watermark | None |
| Stamp use | Definitive stamp |
| Issue date | 30/01/1980 |
| Designer | Arnold Machin |
| Paper type | phosphor coated (PCP1), afterglowing, matt surface |
| Print technique | Photogravure |
| Printed by | Harrison & Sons Ltd. |
| Perforation | 15 x 14 |
| Height | 24.00 mm |
| Width | 20.00 mm |
| Catalog prices | Used stamp $0.50 Unused stamp $0.55 |
