2015
USA
Viser nå: USA - Andefrimerker fra innenriksdepartementet (1939 - 2016) - 1 frimerker.
2016
Department of the Interior - Trumpeter Swans
24. June VM: Ingen Arkstørrelse: 20 Perforering: 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)
