This uncirculated 20 Czech korun note is a standard circulation banknote issued by the State Bank of Czechoslovakia. It is a blue, green, purple, and orange note that is dated 1970 and measures 132 mm x 58 mm. Its obverse side features Jan Zizka. Its reverse side depicts a scene from the Hussite Wars. Though the note does not have a security thread or a watermark, it has a serial number with an F-prefix. The note was demonetized.