Bengal Sultanate, Nasir ud-din Mahmud (AH 837-864/1433/4-1459 AD), No mint, Gold Tanka, ‘Abu’l Mujahid’ Type, Obv: Arabic legend “al mu’ayyad bi-ta’yid al-rahman khalifat allah bi’l hujjat wa’l burhan” within a plain circular border; marginal legend largely illegible, Rev: Arabic legend “Nasir ud dunya wa’l din Abu’l Mujahid Mahmud Shah al-sultan” within a decorative border, 10.83g, 23.73mm, (Variant of G&G # B407), no test mark, sharp strike, AUNC-UNC, Extremely Rare.

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