British Gliding Association BGA 'G' Certificate Badge Skinner & Co London

A scarce original circa 1930's period 'British Gliding Association lapel badge'; silver plated blue enamel disc displaying three white gulls and the letter 'G'; the reverse impressed with early maker's details 'Skinner & Co London'. Very good condition, complete with original buttonhole lapel fitting, no stress marks or damage to the enamel.Diameter approx 22mm.