| Switzerland - XX | 1961 (20 Jan). Leysin 2 - UK. Express multifkd env + "Express fee paid" box (British) + slogan cds. VF. Pro Juventude set. |
U$ | 18 |
| Switzerland - XX | 1961 (20 Jan). Leysin 2 - UK. Express multifkd env + "Express fee paid" box (British) + slogan cds. VF. Pro Juventude set. |
U$ | 18 |