Switzerland
Also existing on ironed paper
| Country: | Switzerland |
| Type: | Postage stamps |
| Series: | Airmail |
| Nominal: | 1 Fr. |
| Year: | 1924 |
| Material: | Normal paper |
| Size: | 38 x 28 mm |
| Perforation: | comb 11½ |
| Mintage: | 700,000 |
