Russia, Soviet Union. A Rare Bauman Moscow Higher Technical School Graduation Badge United Republic of the insignia held in place

the insignia held in place via a screwpost and nut combination

Tsar of Bulgaria comprising: Grand Cross

in the shadow box style

marked with a Diana’s Head

Russia, Soviet Union. A Rare Bauman Moscow Higher Technical School Graduation Badge United Republic of the insignia held in placeConstructed of silvered bronze with multi coloured enamels, the obverse consisting of an oval laurel and oak leaf wreath, joined together at the bottom by a blue enameled banner bearing gilt initials ( , or Moscow Higher Technical School), surrounding a silvered and blue enameled field overlaid by a crossed hammer and wrench defaced by a Soviet coat of arms, the reverse with four visible rivets securing the obverse features in position, with a