Sverige
Viser nå: Sverige - Postfrimerker (1855 - 2024) - 1 frimerker.
1958
Aviation - The 10th Anniversary of Helicopter Mail
10. February VM: Ingen Design: Lars Norrman. Gravering: Arne Wallhorn. Perforering: 12¾ vertical
![[Aviation - The 10th Anniversary of Helicopter Mail, type EF]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Sweden/Postage-stamps/EF-s.jpg)
![[Aviation - The 10th Anniversary of Helicopter Mail, type EF3]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Sweden/Postage-stamps/EF3-s.jpg)
