Bengal Sultanate, Nasir ud-din Mahmud (AH 837-864/ 1433/4-1459 AD), Dar al-Darb Mint, Silver Tanka, 'Seven circle' type, Plate coin, AH 854, Obv: Arabic legend “Nasir Shah in 4 circles, al-sultan” in 3 circles, Rev: in lotus-shaped cartouche ghawth “al-islam wa'l muslimin”, Hijri date and mint name at bottom, 10.8g, 25.17mm, (G&G # B471, plate coin), about very fine, Exceedingly Rare.

Note:- This coin is a featured plate specimen from the Goron & Goenka series of Indian Sultanates coins.

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