Rāda: ASV - Nodaļa Interjera Pīļu Markas (1960 - 1969) - 1 marka.
1966
Department of the Interior Duck Stamps - Tundra Swans
1. jūlijs SV: Neviens Dizains: Howard C. Mildner Perforēšana: 11¼ x 11
![[Department of the Interior Duck Stamps - Tundra Swans, veids AB]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/AB-s.jpg)
