现在展示: 新加坡 - 欠资邮票 (1970 - 1979) - 12 邮票.
27. 三月 窗口管理器: 1 筛孔: 13½
![[Postage Due Stamps - Different Perforation, 类型 A8]](https://www.stampworld.com/media/catalogue/Singapore/Postage-due-stamps/A8-s.jpg)
24. 八月 窗口管理器: 1 筛孔: 13½
![[Postage Due Stamps - Different Perforation, 类型 A9]](https://www.stampworld.com/media/catalogue/Singapore/Postage-due-stamps/A9-s.jpg)
窗口管理器: 空缺 筛孔: 12¾ x 13
![[Postage Due Stamps, 类型 A10]](https://www.stampworld.com/media/catalogue/Singapore/Postage-due-stamps/A10-s.jpg)
![[Postage Due Stamps, 类型 A12]](https://www.stampworld.com/media/catalogue/Singapore/Postage-due-stamps/A12-s.jpg)
![[Postage Due Stamps, 类型 A14]](https://www.stampworld.com/media/catalogue/Singapore/Postage-due-stamps/A14-s.jpg)
25. 九月 窗口管理器: 空缺 筛孔: 13
![[Postage Due Stamps, 类型 B]](https://www.stampworld.com/media/catalogue/Singapore/Postage-due-stamps/B-s.jpg)
![[Postage Due Stamps, 类型 B1]](https://www.stampworld.com/media/catalogue/Singapore/Postage-due-stamps/B1-s.jpg)
![[Postage Due Stamps, 类型 B2]](https://www.stampworld.com/media/catalogue/Singapore/Postage-due-stamps/B2-s.jpg)
![[Postage Due Stamps, 类型 B3]](https://www.stampworld.com/media/catalogue/Singapore/Postage-due-stamps/B3-s.jpg)
![[Postage Due Stamps, 类型 B4]](https://www.stampworld.com/media/catalogue/Singapore/Postage-due-stamps/B4-s.jpg)
现在展示: 新加坡 - 欠资邮票 (1970 - 1979) - 12 邮票.
27. 三月 窗口管理器: 1 筛孔: 13½
24. 八月 窗口管理器: 1 筛孔: 13½
窗口管理器: 空缺 筛孔: 12¾ x 13
25. 九月 窗口管理器: 空缺 筛孔: 13