This Vintage 1938 U.S.S Salmon First Day Cover is a rare find that any collector would be proud to add to their collection. The cover features a 3 cent denomination stamp, issued on March 15th, 1938, and cancelled with a ship cancel. The cancellation type adds to the authenticity of the item, making it even more valuable. The U.S.S Salmon was a submarine that was commissioned into the United States Navy on March 15th, 1938. This first day cover commemorates this event and is a great addition to any naval or military themed collection. The cover is in used condition, but still in very good shape for its age.