Praegu kuvatakse: Ühendriigid - Siseministeeriumi "pardimargid" (1970 - 1979) - 1 margid.
1975
Department of the Interior Duck Stamps - Canvasback Duck
1. juuli WM: mitte ükski Disain: V. Jack Ruther perforatsioon: 11¼ x 11
![[Department of the Interior Duck Stamps - Canvasback Duck, Tüüp AK]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/AK-s.jpg)
