#698-701 Bulgaria - Soviet-Bulgarian Treaty (MNH)
1950 - 2nd Anniversary of the Soviet-Bulgarian Treaty of Mutual Assistance, Set of 4. Designs: 4 l, Molotov, Kolarov, Stalin and Dimitrov. 9 l, Spasski (Spasskaya) Tower and Flags. 20 l, Russian and Bulgarian women. 50 l, Loading Russian ship.