25 years of Swiss airmail
63%
| Country: | Switzerland |
|---|---|
| Issue: | Airmail |
| Date: | 1944-09-20 |
| Print: | Photogravure |
| Perforation: | comb 11¾ |
| Emission: | Air Mail |
| Format: | Stamp |
| Face Value: | 1.50 Swiss frank |
| Print run: | 265573 |