Bengal Sultanate, Jalal ud-din Muhammad (2nd Reign AH 821-836/7/ AD 1418-1432/3) Silver Tanka, 11.79 gms, Firuzabad Mint, Obv. Kalima Shahada within a circle, ‘zarb hada al sikka fi al Firuzabad’, in the margins, Rev. Jalal ud-dunya wa'l din abu'l Muzaffar Muhammad Shah al-sultan, in tughra style, G&G #B349, very fine+, very rare.