USA
Viser nu USA - Post frimærker (1847 - 2024) - 1 frimærker.
1962
Project mercury
20. februar VM: Ingen Arkstørrelse: 50 Design: Charles R. Chickering Gravering: Image - Richard M. Bower et Lettre - Howard F. Sharpless Perforeringer: 11
![[Project mercury, type YR]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Postage-stamps/YR-s.jpg)
