This is a rare and collectible First Day Cover featuring the 1963 USS Tecumseh and USS Flasher twin launch nuclear submarine. The cover depicts the red, white, and blue colors of the United States flag, and the cancellation type is a dedication. The stamp denomination is 5 cents and the quality is used. The cover is in VF/XF (Very Fine/Extremely Fine) grade condition, making it a must-have for military and war topic collectors. This piece of history was manufactured in the United States and is uncertified. The cover comes from the 1951-60 era and falls under the categories of FDCs (1951-Now), Covers, United States, and Stamps. Don't miss out on the opportunity to add this rare First Day Cover to your collection.