2015
USA
Viser nu USA - Andefrimærker fra Indenrigsministeriet (1939 - 2016) - 1 frimærker.
2016
Department of the Interior - Trumpeter Swans
24. juni VM: Ingen Arkstørrelse: 20 Perforeringer: 11¼ x 11
![[Department of the Interior - Trumpeter Swans, type BZ]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/BZ-s.jpg)
