Taka is a currency of Bangladesh. Initially, Taka was divided into 100 poysha. The Sultanate was in the power between the 14th and 16th centuries. The economy of the Bengal Sultanate inherited earlier aspects of the Delhi Sultanate.
Bengal was more successful than Delhi and other European and Asian monarchy in terms of perpetuating silver coins.
There were 3 sources of silver: The first source was the leftover silver reserve of previous kingdoms, the Second source was the tribute payments paid by subordinate kingdoms in silver bullion and thirdly was during military campaigns when Bengali forces sacked neighboring states.
Many coins minted by the Bengal Sultanate bore the names of both the Bengali Sultans and the Abbasid Caliphs.
Herewith, the image represents Silver Taka of Bengal Sultanate with a lion symbol from the 15th century.
Image Courtesy: Wikipedia.com