现在展示： 美国 - 欠资邮票 (1879 - 1978) - 7 邮票.
![[Numeral Stamps - Watermark 1, 类型 D11]](https://www.stampworld.com/media/catalogue/United-States/Postage-due-stamps/D11-s.jpg)
![[Numeral Stamps - Watermark 1, 类型 D12]](https://www.stampworld.com/media/catalogue/United-States/Postage-due-stamps/D12-s.jpg)
![[Numeral Stamps - Watermark 1, 类型 D13]](https://www.stampworld.com/media/catalogue/United-States/Postage-due-stamps/D13-s.jpg)
![[Numeral Stamps - Watermark 1, 类型 D14]](https://www.stampworld.com/media/catalogue/United-States/Postage-due-stamps/D14-s.jpg)
![[Numeral Stamps - Watermark 1, 类型 D15]](https://www.stampworld.com/media/catalogue/United-States/Postage-due-stamps/D15-s.jpg)
![[Numeral Stamps - Watermark 1, 类型 D16]](https://www.stampworld.com/media/catalogue/United-States/Postage-due-stamps/D16-s.jpg)
![[Numeral Stamps - Watermark 1, 类型 D17]](https://www.stampworld.com/media/catalogue/United-States/Postage-due-stamps/D17-s.jpg)
现在展示： 美国 - 欠资邮票 (1879 - 1978) - 7 邮票.
