The stamp depicts a medal "For liberation of Warsaw".
The medal was instituted by decree of the Presidium of the USSR Supreme Soviet on June 9, 1945. The medal was awarded to soldiers of the red army, Navy and troops of the NKVD, the participants, the organizers and leaders of combat operations during the liberation of Warsaw.
Awarded more than 690 thousand people.
Format: 32,5 x 65 mm. Source:rusmarka.ru