Descripción: Anverso: Value within a circle made of the coat of arms of the nine Austrian States (hence the 9-angular shape) . Reverso: The Kölnbrein Dam, the highes dam in Austria. Two drops of water on the right, one containing a fish and the other one the turbine house. Year on the right, on the top the inscription "WASSERKRAFT" (water power). Diseñadores: Thomas Pesendorfer and Helmut Andexlinger