Statele Unite (SUA)
Prezentat acum: Statele Unite (SUA) - Timbre poştale (1847 - 2024) - 1 timbre.
1951
The 75th Anniversary of American Chemical Society
4. Septembrie WM: Niciunul Perforare: 11 x 10½
![[The 75th Anniversary of American Chemical Society, Tip RO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Postage-stamps/RO-s.jpg)