| Switzerland - XX | 1937 (9 Dec) Biel, Bienne - South West Africa, Windhoek. Air multifkd ppc at 80c rate. Fine usage, better dest. |
U$ | 60 |
| Switzerland - XX | 1937 (9 Dec) Biel, Bienne - South West Africa, Windhoek. Air multifkd ppc at 80c rate. Fine usage, better dest. |
U$ | 60 |