Prezentat acum: Statele Unite (SUA) - Timbre pentru protejarea păsărilor migratoare - Ministerul de Interne (1950 - 1959) - 1 timbre.
1951
Department of the Interior Duck Stamps - Gadwalls
1. Iulie WM: Niciunul Design: William K. Schrage Perforare: 11¼ x 11
![[Department of the Interior Duck Stamps - Gadwalls, Tip M]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/M-s.jpg)
