Date entered into revision: May 29, 2009 Technical characteristics Nominal Metal Mass, g Diameter, mm Quality category carbuvannya Gurt Actual circulation, pcs. 2 nickel silver 12.8 31.0 special uncirculated corrugations 35000 Series: Some specialties of Ukraine Assigned to one of the aviation pioneers, the designer of lithuanians and helicopters, the industrialist - Sikorsky Ivanovich Ivanov. At the Kiev Polytechnic Institute (1907 - 1914), Igor Sikorskiy popped over the first rosettes of the Maybut Helicopters. Since 1910, I will be in the Litaki. The first bagatomotornі lіtaki at the svіtі - `Grand`,` Ilya Muromets`, `Russian Knight` - yogo constructions. Vyhodets from Ukraine, win having chosen his own name as one of the most famous aviation designers in the world.
