Rāda: ASV - Nodaļa Interjera Pīļu Markas (1960 - 1969) - 1 marka.
1961
Department of the Interior Duck Stamps - Mallards
1. jūlijs SV: Neviens Dizains: Victor S. McCloskey, Jr Perforēšana: 11¼ x 11
![[Department of the Interior Duck Stamps - Mallards, veids W]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/W-s.jpg)
