Prezentat acum: Statele Unite (SUA) - Timbre pentru protejarea păsărilor migratoare - Ministerul de Interne (1970 - 1979) - 1 timbre.
1979
Department of the Interior Duck Stamps - Green-winged Teal
1. Iulie WM: Niciunul Design: Peter Cocci Perforare: 11¼ x 11
![[Department of the Interior Duck Stamps - Green-winged Teal, Tip AO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/AO-s.jpg)
