1939 De Havilland Aircraft Company workers silver pin badge

A scarce original 'De Havilland Aircraft Company production workers small silver pin badge' in the form of the companies logo, an aircraft fighter plane with blue enamel 'D' and 'H' superimposed over each wing, with 1939 below, the reverse impressed 'Silver'. Very good condition, complete with original pin fitting, no damage to the enamel. Height 17mm.