Sign "In honor of the 10th anniversary of the October revolution"

brass, enamel, screw, twist. The weight of 12.1 grams. The inscription on the twist "OSOAVIAKHIM in Moscow". The state of preservation is good, a temporary patina on the sign, loss of enamel. In 1927 the society was established, OSAVIAKHIM. The Council of people's Commissars gave the society the exclusive right for the manufacture and distribution of signs in honor of the tenth anniversary of the October revolution. The design of the sign consistent with the spirit of the time – in the center of the flag with the inscription "proletarians of all countries, unite", the anniversary date Roman numeral "X years", below the inscription of"October revolution", at the top a five-pointed star. The circulation amounted to about 5 million units.