2015
Statele Unite (SUA)
Prezentat acum: Statele Unite (SUA) - Timbre pentru protejarea păsărilor migratoare - Ministerul de Interne (1939 - 2016) - 1 timbre.
2016
Department of the Interior - Trumpeter Swans
24. Iunie WM: Niciunul Marimea foii: 20 Perforare: 11¼ x 11
![[Department of the Interior - Trumpeter Swans, Tip BZ]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/BZ-s.jpg)