| The picture shows a view of all (3) Different Old Enameled U.S. Army Air Force Wings Stud Buttons & Pin in this lot. These are not dated but they are all believed to be from World War II. The center one pictured is still on the old card shown. None of these are marked on the back and they have not been tested for silver. They are marked on the front as follows: (screw back stud button pin)
AWS
U.S. ARMY AIR FORCE (screw back stud button pin)
AWS
ARMY AIR FORCES
OBSERVER (pin back)
GOC
UNITED STATES AIR FORCE
OBSERVER To judge the sizes the bottom one pictured measures 1-1/4'' wide. They appears to be in excellent or better condition as pictured. | 
