Prezentat acum: Statele Unite (SUA) - Timbre pentru protejarea păsărilor migratoare - Ministerul de Interne (1950 - 1959) - 1 timbre.
1956
Department of the Interior Duck Stamps - Common Mergansers
1. Iulie WM: Niciunul Design: William K. Schrage Perforare: 11¼ x 11
![[Department of the Interior Duck Stamps - Common Mergansers, Tip R]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/R-s.jpg)
