Badge of a Civil Aviation Navigator for Flying 3000 Hours Without Accidents, #39500, 1970s- early 1980s.
Gilded brass, enamels; 41.9 x 34.5 mm. Three-piece, riveted construction with separate airplane and plaque with the number of hours. The reverse shows engraved serial number and the relatively early "MMD" logo of the Moscow Mint.
Excellent, near mint condition. Includes original mint marked screw plate.