| Added by |
 Steve
|
| Face value | 18p |
| Catalog code (Scott) | SMH33 |
| Series | Machin |
| Stamp colour | Violet Blue |
| Watermark | None |
| Stamp use | Definitive stamp |
| Issue date | 28/10/1981 |
| Height | 24.00 mm |
| Width | 20.00 mm |
| Catalog prices | Used stamp $0.75 Unused stamp $1.00 |
