| SLOVAKIA | 1944 (24 July) Humenne - Austria, Wien. Multifkd air issue envelope, tied cds + censor cachet. Fine. Signed reverse before sealing. |
U$ | 12 |
| SLOVAKIA | 1944 (24 July) Humenne - Austria, Wien. Multifkd air issue envelope, tied cds + censor cachet. Fine. Signed reverse before sealing. |
U$ | 12 |