Sverige
Visar nu: Sverige - Postfrimärken (1855 - 2024) - 1 frimärken.
1958
Aviation - The 10th Anniversary of Helicopter Mail
10. februari WM: Inga Design: Lars Norrman. Gravyr: Arne Wallhorn. Perforering: 12¾ vertical
![[Aviation - The 10th Anniversary of Helicopter Mail, Typ EF]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Sweden/Postage-stamps/EF-s.jpg)
![[Aviation - The 10th Anniversary of Helicopter Mail, Typ EF3]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Sweden/Postage-stamps/EF3-s.jpg)
