Stamp of the USSR " 6th congress of the All-Union Society of philatelists (13-14,10). (1989, August 9. Fig.  Levinovski, [TSFA] of №6100). Image of the post stamp  №7 of the first standard release of the RSFSR with the known allegoric figure " Освобожденный пролетарий" (Proletary freed). Source: Catalog of the post stamps of the USSR 1989[ITTS] of " <a href="//commons.wikimedia.org/wiki/Postage_stamp" class="mw-redirect" title="Postage stamp">postage stamp</a>", 1990
USSR Post
1989-08-09
Newː Scanned 600 dpi by User Matsievsky from personal collection. Oldː Personal collection. Scanned and processed by <a href="//commons.wikimedia.org/wiki/User:Mariluna" title="User:Mariluna">Mariluna</a>. 12 September 2007 (original upload date)