Badges: Construction projects and works anniversaries

Badges: Construction projects and works anniversaries: 12 records in the reference, dated between 1922 and 1928. By subject: excellence and shock-work badges — 1, the navy — 1. By metal: silver — 12, gold — 1. By finish: enamel — 10, gilding — 3. By fastening: screw back — 11. Reference prices run from 12 500 to 531 300 roubles. Every entry carries photographs, metal, finish, fastening, dimensions and prices for each grade of preservation. The subject of a badge is read from its legend and imagery: the abbreviation of a ministry, the name of a school or society, the emblem of a service branch. Badges on one subject were issued for decades, and varieties differ by fastening, maker mark and small die details.