|The second 2017 official blister is dedicated to Jan Bahyl and contains a full set of circulating euros (1, 2, 5, 10, 20, 50 cents and 1, 2 euros), along will a commemorative medal.
Ján Bahýľ was a Slovak inventor and engineer. He specialised in military science, military construction, and engineering, with flying machines being a particular interest of his. In 1895, he was granted a patent on the helicopter.
Issue date: June 2017