Rāda: ASV - Nodaļa Interjera Pīļu Markas (1960 - 1969) - 1 marka.
1968
Department of the Interior Duck Stamps - Hooded Mergansers
1. jūlijs SV: Neviens Dizains: Leonard E. Buckley Perforēšana: 11¼ x 11
![[Department of the Interior Duck Stamps - Hooded Mergansers, veids AD]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/AD-s.jpg)
