Statele Unite (SUA)
Prezentat acum: Statele Unite (SUA) - Timbre Par Avion (1918 - 2012) - 1 timbre.
1988
Avaition Pioneers - Samuel Pierpont Langley, 1834-1906
14. Mai WM: Niciunul Design: K. Dallison. Gravură: Bureau of Engraving & Printing. Perforare: 11
![[Avaition Pioneers - Samuel Pierpont Langley, 1834-1906, Tip CM]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/CM-s.jpg)
