Sedaj prikazano: Združene države - Poštne znamke (1940 - 1949) - 5 znamke.
10. maj WM: Nič Perforacija: 11 x 10½
![[Transcontinental Railroad, tip OM]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/OM-s.jpg)
22. maj WM: Nič Perforacija: 11 x 10½
![[The 125th Anniversary of the First Steamship Crossing the Atlantic, tip ON]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/ON-s.jpg)
24. maj WM: Nič Perforacija: 11 x 10½
![[The 100th Anniversary of the First Telegraph Transmitted Message, tip OO]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/OO-s.jpg)
27. september WM: Nič Perforacija: 11 x 10½
![[Corregidor Island, tip OP]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/OP-s.jpg)
31. oktober WM: Nič Perforacija: 11 x 10½
![[The 50th Anniversary of Motion Pictures, tip OQ]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/OQ-s.jpg)
