| Switzerland - XX | 1939 (25 Nov). Chaux de Fonds - Cameroun. Air multifkd env / French censor. Via air France + arrival cachet + WW II dest. |
U$ | 140 |
| Switzerland - XX | 1939 (25 Nov). Chaux de Fonds - Cameroun. Air multifkd env / French censor. Via air France + arrival cachet + WW II dest. |
U$ | 140 |