Watch List notes:

RUSSIAN MEDALS. BADGES . Aviation Badges. Badge for Flying 500,000 km in the Civil Air Force. Silver and red and blue enamels. Hallmarked (916 - head), maker's mark 'BKX' and '3X' on the back. Engraved No. 38. Globe circled by wreath, 'ГBФ' above, superimposed airplane flying right at center, red enameled banner inscribed '500 TЫC.KM' below. Hammer and sickle above central design, nine banners emerging from globe. Variated blue enamel in one section.. Superb

Estimate: $2000