Original WWII U.S. Political Leader Signature Collection: President Franklin Roosevelt, President Harry Truman, Governor Alfred Smith Category_MG 34 Barrel Jacket Assembly The symbol button is nicely

The symbol button is nicely set having 90% intact enameling

but its initial use was by members of the Special Operations Executive (SOE)

In the centre is a rubber type length of hose with mouthpiece to inflate the floatation devise

If my interpretation is correct

Original WWII U.S. Political Leader Signature Collection: President Franklin Roosevelt, President Harry Truman, Governor Alfred Smith Category_MG 34 Barrel Jacket Assembly The symbol button is nicelyOriginal Items: One of a kind set. This is a collection of framed original documents with signatures from the following political leaders dating from before, during and after World War Two. They are as follows: (A) Letter from Franklin Roosevelt with White House letterhead, dated March 20, 1937, congratulating Mr and Mrs Louis I Haber on their 55th wedding anniversary. Framed, with White House envelope mounted on the back of the frame. CONDITION: