First All-Union Philatelic Exhibition
The exhibition was organised from 15 December 1924 to 15 February 1925. This was done by the Presidium of the All-Union Philatelic Association and Board of the All-Russian Society of Philatelists. The combined exhibition was meant to prepare formation of the All-Union Society of Collectors. The society was to be under the direction of Feodor Chuchin, the  Commissioner for Philately and Scripophily.