Menampilkan: Amerika Serikat - Prangko (1940 - 1949) - 9 prangko.
11. Februari WM: Tiada Perforasi: 10½ x 11
![[The 100th Anniversary of the Birth of Thomas A.Edison, Tipe PJ]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/PJ-s.jpg)
10. April WM: Tiada Perforasi: 11 x 10½
![[Joseph Pulitzer, Tipe PK]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/PK-s.jpg)
17. Mei WM: Tiada Desain: Leon Helguera Perforasi: 11 x 10½
![[The 100th Anniversary of United States Postage Stamps, Tipe PL]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/PL-s.jpg)
19. Mei WM: Tiada Perforasi: Imperforated
![[The 100th Anniversary of United States Postage Stamps, Tipe ]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/0756-b.jpg)
9. Juni WM: Tiada Desain: Charles Ransom Chickering Perforasi: 11 x 10½
![[Physicians of America, Tipe PN]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/PN-s.jpg)
24. Juli WM: Tiada Perforasi: 11 x 10½
![[The 100th anniversary of the Utah Settlement, Tipe PO]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/PO-s.jpg)
21. Oktober WM: Tiada Perforasi: 11 x 10½
![[The 150th Anniversary of U.S. Frigate "Constitution", Tipe PP]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/PP-s.jpg)
5. Desember WM: Tiada Perforasi: 10½ x 11
![[Everglades National Park, Tipe PQ]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/PQ-s.jpg)
