Rāda: ASV - Nodaļa Interjera Pīļu Markas (1950 - 1959) - 1 marka.
1956
Department of the Interior Duck Stamps - Common Mergansers
1. jūlijs SV: Neviens Dizains: William K. Schrage Perforēšana: 11¼ x 11
![[Department of the Interior Duck Stamps - Common Mergansers, veids R]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/R-s.jpg)
