Italy
7.5 - 9$
price on 29.08.2022
First air mail stamp in the world. The experiment was successfully carried out by Mario De Bernardi, on 22 May 1917. The stamp was only sold at Rome and Turin post offices.
| Country: | Italy |
| Type: | Postage stamps |
| Series: | Airmail |
| Nominal: | 25 c |
| Year: | 1917 |
| Size: | 40 x 24 mm |
| Perforation: | 14 |
| Mintage: | 200,000 |
