| Switzerland - Stationery | 1919 (9 Dec) Bern - Stuttgart. Germany. Air Francke Librarie 10c stat card. Private print. Fine slogan cachet usage. |
U$ | 16 |
| Switzerland - Stationery | 1919 (9 Dec) Bern - Stuttgart. Germany. Air Francke Librarie 10c stat card. Private print. Fine slogan cachet usage. |
U$ | 16 |