Bengal Sultanate, Ghiyath ud-din Mahmud (AH 939-945/1532-1538 AD), Da Mint, Silver Tanka, AH 933, Obv: al-sultan bin al-sultan Ghiyath ud duniya wa'l din abu'l muzaffar Mahmud Shah, Rev: al-sultan bin husain shah al-sultan khuld allahu mulkahu wa sultanahu,10.77g, 24.14mm, (G&G # B914), choice extremely fine, without any testing mark & with original patina, Scarce in this condition.