Rare WW2 Royal Armoured Corps camouflaged tank crew oversuit

A rare Second World War Royal Armoured Corps camouflaged tank crew oversuit aka 'Pixie' suit, dated 1945, with partial label to one interior cuff, size no. 4 (5 ft 9 to 5 ft 10), with neck fastening, waist belt, various pockets (some alterations - e.g. some replaced fasteners and extended length on legs)