| Great Britain - XX | 1918 (18 March) Manchester - Switzerland, Geneva (21 May) POW red cross. Registered censored multifkd envelope. Special cachet. |
U$ | 22 |
| Great Britain - XX | 1918 (18 March) Manchester - Switzerland, Geneva (21 May) POW red cross. Registered censored multifkd envelope. Special cachet. |
U$ | 22 |