L-Istati Uniti
Muri Bhalissa: L-Istati Uniti - Bolol tal-posta ta' l-ajru (1918 - 2012) - 1 bolol.
1988
Avaition Pioneers - Samuel Pierpont Langley, 1834-1906
14. May WM: Xejn Disinn: K. Dallison. Perforazzjoni: 11
![[Avaition Pioneers - Samuel Pierpont Langley, 1834-1906, Tip CM]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/CM-s.jpg)
