Ditunjukkan sekarang: Amerika Syarikat - Jabatan setem itik dalaman (1980 - 1989) - 1 Setem-setem.
1980
Department of the Interior Duck Stamps - Mallards
1. July WM: Tiada Corak: V. Jack Ruther Perforasi: 11¼ x 11
![[Department of the Interior Duck Stamps - Mallards, jenis AP]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/AP-s.jpg)
