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Postage stamp USSR The 20th anniversary of the World Movement for Peace!1 stamp 1969 not used...
Postage stamp USSR The 23rd Congress of the Communist Party of the Soviet Union1 stamp 1966 not...
Postage stamp USSR The 25th anniversary of the heroic deed of the "Young Guard"1 stamp 1967 not...
Postage stamp USSR The 25th anniversary of the Socialist Revolution in Bulgaria1 stamp 1969 not...
Postage stamp USSR The 35th anniversary of Komsomolsk-on-Amur1 stamp 1967 not used...
Postage stamp USSR The 500th anniversary of the beginning of Afanasy Nikitin's trip to India1 stamp ...
Postage stamp USSR The 50th anniversary of the Academy of Sciences of the Ukrainian SSR1 stamp 1969&...
Postage stamp USSR The 50th anniversary of the International Labor Organization (ILO)1 stamp 1969&nb...
Postage stamp USSR The 50th anniversary of the newspaper Izvestia1 stamp 1967 not used...
Postage stamp USSR The 50th anniversary of the proclamation of Soviet power in Estonia1 stamp 1968&n...
Postage stamp USSR The 50th anniversary of the proclamation of the Hungarian Soviet Republic1 stamp ...
Postage stamp USSR The 50th anniversary of the Riga WEF Plant1 stamp 1969 not used...
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