United States
Now showing: United States - Airmail stamps (1918 - 2012) - 1 stamps.
1988
Avaition Pioneers - Igor Sikorsky, 1889-1972
23. June WM: None Design: R. Wicks. Engraving: D. Brown, G. Chaconas, G. Slaught Perforation: 11
![[Avaition Pioneers - Igor Sikorsky, 1889-1972, type CN]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/CN-s.jpg)
