The somoni is the official currency of Tajikistani since 2000 when it replaced the Tajikistani ruble. In 1999, the National Bank of Tajikistan printed banknotes which were introduced the following year; denominations of 1, 5, 20, 50 dirams, and 1, 5, 10, 20, 50, and 100, followed by a 3, 200, and 500 somoni note in 2010.
The 20 Tajikistan somoni note front design features the portrait of Ibn Sina (980 – 1037), known as Abu Ali Sina, Pur Sina, and often known in the West as Avicenna, was a Persian scholar who is considered the father of modern medicine, his contributions in medicine, astronomy, and writing gave him a place among the most important scientific figures of the Islamic Golden Age; a sketch of the snake coiled in the cup (symbol of medicine and pharmacy) with some flowers, the National Emblem, and the denomination; the lettering is presented in the Tajik language. The reverse of the note illustrates the Hisor Fortress located in Khisor, ornamental pieces, the National flag, and the denomination. The lettering is presented in the English language. This note is part of the 2017 – 2018 series, and its color is brown and blue on a multicolor underprint.
Text: National Bank of the Republic of Tajikistan, President of Tajikistan, Chairman of the National Bank, Twenty Somonī, Tickets of Ministry Bank of Tajikistan will be given for counterfeit in accordance with the law, 20, Hissar Castle, Abualī ibni Sino 980 – 1037, 2017.