Group of 9 US Duck Stamps: Three each of 1971 (RW38), 1974 (RW41), 1975 (RW42). All are signed.
All stamps are signed. See photos.
Some stamps came from licenses but there are no thins.
Most are never hinged (NH).
Some stamps have Original Gum (OG).
See below.
RW38: One stamp with paper on back from license, NH
One stamp OG NH
One stamp NG NH
RW41: One stamp OG, NH
One stamp OG, LH
One stamp with little paper on back, top of stamp has a crease, NH
RW42: All with some OG (first one is full gum)
One stamp LH
Two stamps NH