<a href="https://en.wikipedia.org/wiki/Leonid_Popov" class="extiw" title="en:Leonid Popov">Leonid Popov</a>, <a href="https://en.wikipedia.org/wiki/Svetlana_Savitskaya" class="extiw" title="en:Svetlana Savitskaya">Svetlana Savitskaya</a>, and <a href="https://en.wikipedia.org/wiki/Aleksandr_Serebrov" class="extiw" title="en:Aleksandr Serebrov">Aleksandr Serebrov</a> on a 1983 stamp of the USSR
Soviet Union Post
1983
Scanned by Georg Pik