WAll-Russian Society of PhilatelistsWFilateliyaWFirst All-Union Philatelic ExhibitionWInternational trading tax stampWKollektsionerWLeninianaWMoscow Municipal Society of CollectorsWMoscow Society of Philatelists and CollectorsWPeople's Commissariat for CommunicationsWPeople's Commissariat for Posts and Telegraphs of the RSFSRWPeople's Commissariat for Posts and Telegraphs of the USSRWPhilatelic InternationalWPostage stamps and postal history of RussiaWRussian Bureau of PhilatelyWSoviet Philatelist
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