Envelope from the "Wilkins-Ellsworth Trans-Artic Submarine Expedition 1931" franked with a US 2cent cancelled "New York May 8 1931". On the way to the North Pole have the letter got two British stamps in "London Oct 3 1931". 27 years later has the letter been brought with the first atomic Submarine, USS Natilus on the first trip ever under the North Pole (Operation Sunshine). Signed by the Captain, William R. Anderson at this submarine in 1958.

Envelope from the "Wilkins-Ellsworth Trans-Artic Submarine Expedition 1931" franked with a US 2cent cancelled "New York May 8 1931". On the way to the North Pole have the letter got two British stamps in "London Oct 3 1931". 27 years later has the letter been brought with the first atomic Submarine, USS Natilus on the first trip ever under the North Pole (Operation Sunshine). Signed by the Captain, William R. Anderson at this submarine in 1958.