Sada prikazujemo: Sjedinjene Države - Ministarstvo unutrašnjih poslova patka marka (1940 - 1949) - 1 marke.
1940
Department of the Interior Duck Stamps - Black Ducks
1. Srpanj WM: Ništa Dizajn: Victor S. McCloskey, Jr Perforacija: 11¼ x 11
![[Department of the Interior Duck Stamps - Black Ducks, Tip B]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/B-s.jpg)
