Viser nu USA - Luftpostfrimærker (1918 - 2012) - 1 frimærker.
2011
Landscapes - Voyageurs National Park, Minnesota - Self-Adhesive Stamp
11. april VM: Ingen Perforeringer: Rouletted 10
![[Landscapes - Voyageurs National Park, Minnesota - Self-Adhesive Stamp, type ZBA]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/ZBA-s.jpg)
