Russia, Soviet Union. A Lot Of Aviation School Graduation Badges Hold 1940) date stamp at the

1940) date stamp at the lower left

(HJ-Ehrenzeichen Verleihungsurkunde)

with raised insignias on the flattened platforms either end

In gypsum with a metal backing plate (magnetic)

Russia, Soviet Union. A Lot Of Aviation School Graduation Badges Hold 1940) date stamp at theA lot of three Soviet aviation school graduation badges, including a Leningrad Civil Air Fleet School badge constructed of gilded bronze with multi coloured enamels, the obverse consisting of a blue enameled diamond within a white enameled ring, bearing a central gilded and enameled globe overlaid by an Aeroflot insignia, above a silvered applique bearing Cyrillic initials , the reverse with a screw and backplate, maker marked for the Leningrad Mint,