现在展示： 美国 - （通用）邮票 (1940 - 1949) - 9 邮票.
11. 二月 窗口管理器: 空缺 筛孔: 10½ x 11
![[The 100th Anniversary of the Birth of Thomas A.Edison, 类型 PJ]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/PJ-s.jpg)
10. 四月 窗口管理器: 空缺 筛孔: 11 x 10½
![[Joseph Pulitzer, 类型 PK]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/PK-s.jpg)
17. 五月 窗口管理器: 空缺 筛孔: 11 x 10½
![[The 100th Anniversary of United States Postage Stamps, 类型 PL]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/PL-s.jpg)
19. 五月 窗口管理器: 空缺 筛孔: Imperforated
![[The 100th Anniversary of United States Postage Stamps, 类型 ]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/0756-b.jpg)
9. 六月 窗口管理器: 空缺 筛孔: 11 x 10½
![[Physicians of America, 类型 PN]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/PN-s.jpg)
24. 七月 窗口管理器: 空缺 筛孔: 11 x 10½
![[The 100th anniversary of the Utah Settlement, 类型 PO]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/PO-s.jpg)
21. 十月 窗口管理器: 空缺 筛孔: 11 x 10½
![[The 150th Anniversary of U.S. Frigate "Constitution", 类型 PP]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/PP-s.jpg)
5. 十二月 窗口管理器: 空缺 筛孔: 10½ x 11
![[Everglades National Park, 类型 PQ]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/PQ-s.jpg)
