This uncirculated 20 markkaa Finland note is a standard circulation banknote issued by the Finlands Bank. It is a blue note that is dated 1993, bear the signatures of Antti Heinonen and Kalevi Sorsa, and measures 142 x 69 mm. Its obverse side features a portrait of the Finnish author Vaino Linna. Its reverse side shows Tammerkoski river in Tampere and factory buildings on either side of the river. Security features include a windowed security thread and a watermark of Vaino Linna. The details of this note have been verified and TAP Authenticated by Banknote World experts.