現在展示： 美國 - （通用）郵票 (1950 - 1959) - 18 郵票.
12. February 窗口管理器: 空缺 篩孔: 10½ x 11
![[Lincoln memorial issue, 類型 VP]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/VP-s.jpg)
![[Lincoln memorial issue, 類型 VQ]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/VQ-s.jpg)
14. February 窗口管理器: 空缺 篩孔: 11 x 10½
![[The 100th Anniversary of Oregon Statehood, 類型 WA]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/WA-s.jpg)
25. February 窗口管理器: 空缺 篩孔: 10½ x 11 and 11
![[Champion of Liberty - José de San Martin, 類型 WB]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/WB-s.jpg)
![[Champion of Liberty - José de San Martin, 類型 WC]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/WC-s.jpg)
1. April 窗口管理器: 空缺 篩孔: 10½ x 11
![[The 10th Anniversary of NATO, 類型 WD]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/WD-s.jpg)
6. April 窗口管理器: 空缺 篩孔: 11 x 10½
![[The 50th Anniversary of the Arctic Journey of Robert Peary & USS Nautilus First Submerged Transit Beneath the North Pole, 類型 WE]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/WE-s.jpg)
20. April 窗口管理器: 空缺 篩孔: 11 x 10½
![[The 17th Congress of the International Chamber of Commerce, Washington DC, 類型 WF]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/WF-s.jpg)
30. May 窗口管理器: 空缺 雕版: Bureau of Engraving and Printing 篩孔: 11 x 10½
![[Statue in Lincoln Memorial, 類型 VS]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/VS-s.jpg)
8. June 窗口管理器: 空缺 篩孔: 11 x 10½
![[The 100th Anniversary of Discovery of Silver at Comstock Lode, Nevada, 類型 WG]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/WG-s.jpg)
26. June 窗口管理器: 空缺 篩孔: 11
![[St. Lawrence Seaway, 類型 WH]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/WH-s.jpg)
4. July 窗口管理器: 空缺 篩孔: 11
![[New American Flag with 49 Stars, 類型 WI]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/WI-s.jpg)
26. August 窗口管理器: 空缺 篩孔: 11
![[Soil conservation, 類型 WJ]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/WJ-s.jpg)
27. August 窗口管理器: 空缺 篩孔: 10½ x 11
![[Petroleum industry, 類型 WK]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/WK-s.jpg)
14. September 窗口管理器: 空缺 篩孔: 11 x 10½
![[Dental Health, 類型 WL]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/WL-s.jpg)
29. September 窗口管理器: 空缺 篩孔: 10½ x 11 and 11
![[Champion of Liberty - Ernst Reuter, 類型 WM]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/WM-s.jpg)
![[Champion of Liberty - Ernst Reuter, 類型 WN]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/WN-s.jpg)
3. December 窗口管理器: 空缺 篩孔: 10½ x 11
![[Dr. Ephraim McDowell, 類型 WO]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/WO-s.jpg)
