This uncirculated 10 Swiss franc banknote is a standard circulation banknote issued by the Swiss National Bank that is part of the 6th series. It is a reddish-brown banknote that is dated 1987, bear the signatures of Dr. Francois Schaller and Dr. Hans Meyer, and measures 137 mm x 66 mm. Its obverse side honors the mathematician Leonhard Euler. Its reverse side is vertically oriented and shows a water turbine, the solar system, and a scheme of the propagation of light through lenses. Security features include a solid security thread and a watermark of Leonhard Euler. The note was demonetized in 2020.