Now showing: United States - Department of the interior duck stamps (1960 - 1969) - 1 stamps.
1966
Department of the Interior Duck Stamps - Tundra Swans
1. July WM: None Design: Howard C. Mildner Perforation: 11¼ x 11
![[Department of the Interior Duck Stamps - Tundra Swans, type AB]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/AB-s.jpg)
