WW2 Air Transport Auxiliary ATA black composition uniform button

A rare original Second World War period 'Air Transport Auxiliary button'; large black composition lined example bearing 'ATA' letters surmounted by an Astral Crown; the reverse impressed with maker's details 'J.Grove & Sons Halesowen'. Very good condition, complete with brass shank, small hole to reverse.
Diameter 28mm.
Air Transport Auxiliary created 1939 and based in White Waltham, Maidenhead, Berkshire. It was disbanded in 1945.

Code: 65489