දැන් පෙන්වන්නේ: එක්සත් ජනපදය - අභ්යන්තර දෙපාර්තමේන්තු මුද්දර (1950 - 1959) - 10 මුද්දර .
1. July WM: කිසිවක් නැත මෝස්තරය: Victor S. McCloskey, Jr සිදුර: 11¼ x 11
![[Department of the Interior Duck Stamps - Trumpeter Swans, වර්ගය L]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/L-s.jpg)
1. July WM: කිසිවක් නැත මෝස්තරය: William K. Schrage සිදුර: 11¼ x 11
![[Department of the Interior Duck Stamps - Gadwalls, වර්ගය M]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/M-s.jpg)
WM: කිසිවක් නැත මෝස්තරය: Robert L. Miller සිදුර: 11¼ x 11
![[Department of the Interior Duck Stamps - Harlequin Ducks, වර්ගය N]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/N-s.jpg)
1. July WM: කිසිවක් නැත මෝස්තරය: William K. Schrage සිදුර: 11¼ x 11
![[Department of the Interior Duck Stamps - Blue-winged Teals, වර්ගය O]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/O-s.jpg)
1. July WM: කිසිවක් නැත මෝස්තරය: Victor S. McCloskey, Jr සිදුර: 11¼ x 11
![[Department of the Interior Duck Stamps - Ring-necked Ducks, වර්ගය P]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/P-s.jpg)
1. July WM: කිසිවක් නැත මෝස්තරය: Robert L. Miller සිදුර: 11¼ x 11
![[Department of the Interior Duck Stamps - Blue Geese, වර්ගය Q]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/Q-s.jpg)
1. July WM: කිසිවක් නැත මෝස්තරය: William K. Schrage සිදුර: 11¼ x 11
![[Department of the Interior Duck Stamps - Common Mergansers, වර්ගය R]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/R-s.jpg)
1. July WM: කිසිවක් නැත මෝස්තරය: Victor S. McCloskey, Jr සිදුර: 11¼ x 11
![[Department of the Interior Duck Stamps - Common Eiders, වර්ගය S]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/S-s.jpg)
1. July WM: කිසිවක් නැත මෝස්තරය: Robert L. Miller සිදුර: 11¼ x 11
![[Department of the Interior Duck Stamps - Canada Geese, වර්ගය T]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/T-s.jpg)
1. July WM: කිසිවක් නැත මෝස්තරය: Bob Hines & Victor S. McCloskey, Jr සිදුර: 11¼ x 11
![[Department of the Interior Duck Stamps - Mallard, වර්ගය U]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/U-s.jpg)