In September 2017 the Russian Federal Communications Agency issued the postal stationery (envelope) devoted to the 160th anniversary of the birthday of Konstantin Tsiolkovsky. He was a Russian and Soviet rocket scientist and pioneer of the astronautic theory. He is considered to be one of the founding fathers of modern rocketry and astronautics. Total edition is 500 000 envelops. The size of the envelope is 110 mm х 220 mm. The special cancellations devoted to the event were conducted in Russian cities Kaluga, Kirov and Ryazan.