This uncirculated 20 Markkaa Finland note is a standard circulation banknote issued by the Bank of Finland. It is a blue and yellow note that is dated 1993, bear the signatures of Antti Heinonen and Kalevi Sorsa, and measures 142 × 69 mm. Its obverse side features a portrait of the finnish author Vaino Linna. Its reverse side shows Tammerkoski river in Tampere, birds and factory buildings on both sides of the river. Security features include a windowed security thread and a watermark of Vaino Linna. This note was demonetized on 29 February 2012.