Rāda: ASV - Nodaļa Interjera Pīļu Markas (1950 - 1959) - 1 marka.
1950
Department of the Interior Duck Stamps - Trumpeter Swans
1. jūlijs SV: Neviens Dizains: Victor S. McCloskey, Jr Perforēšana: 11¼ x 11
![[Department of the Interior Duck Stamps - Trumpeter Swans, veids L]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/L-s.jpg)
