In April 2019 the “Marka” joint-stock company of Russian Ministry of Communications issued the postal stationery (envelope) devoted to the Cosmonautic Day. Total edition is 2 000 000 envelops. The size of the envelope is 110 mm х 220 mm.
Three different official post marks were used for cancelling philatelic material at Moscow’s 101000 post office on 12 April 2019, including the new one. All of 3 special official post marks are with a date setting mechanism. The new one is the pentagonal “To the Conquerors of space” special official post mark. Its
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