Bengal Sultanate, Nasir-ud-Din Nusrat (AH 925-938/1519-1531 AD), Gold Tanka, Obv:al sultan bin al sultan nasir-ud-dunya wal deen abul muzaffar,Rev:nusrat shah al sultan bin husain shah al sultan al husaini khuld allahu mulkahu,10.54g, 16.11mm,(GG # B794),about extremely fine,ExtremelyRare.