Heikki Aulis Häiväoja (May 25, 1929 in Jämsä, Finland — September 15, 2019 in KauniainenJämsän Seutu: Taiteilija Heikki Häiväoja on kuollut. Yleisradio 19 September 2019.), was a Finnish sculptor and designer of the Finnish euro coins design for the minor and middle series of coins.Nickels, Brita (2006). Grave sculpture as interpreter of life and death: Grave sculptures done by Heikki Häiväoja, Kain Tapper and Matti Peltokangas 1952–2002. Ph.D. thesis. University of Helsinki. . In Finnish, with an English abstract. All designs feature the 12 stars of the EU and the year of imprint on one side, and a national design on the other: The heraldic Finnish lion in a new version designed by the Heikki Häiväoja.Finland 50 Cent coin described by the Bank of Finland. Retrieved 7 December 2013.
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