Member's Badge of the Society of Friends of the Airforce (ODVF), Northwest Region. Silver and enamels. Screwback. Biplane atop hammer and sickle, red enamel star with "CCCP" above, legend: ""O. ДP. BOЗД. ФЛOTA
C-ЗOБ" on blue enamel banner above. "(kokoshnik) 84" and maker's mark "HБ" on handle of hammer; kokoshnik mark on screwplate. Superb. Estimated Value $750