The 1976 National Wildlife Federation «Birds of our Wetlands» spring wildlife stamps are a collectible set of postage stamps issued by the United States Postal Service. These stamps feature various bird species found in wetlands, promoting conservation and appreciation for wildlife. Being Mint Never Hinged, these stamps are in pristine condition and have not been used, adding to their value and appeal for stamp collectors. The set is not certified, but their origin and quality are well-documented, making them a sought-after addition to any stamp collection focusing on United States wildlife themes.