Bengal Sultanate, Jalal-ud-din Muhammad (2nd Reign AH 821-836/7/1418-1432/3 AD), Firuzabad Mint (off flan), Silver Tanka, Obv: Jalal ud dunya wal din abul muzaffar Muhammad Shah al-sultan within the foliated circle, Rev: Nasir al-islam wa'l muslimin khuld mulkahu within the rhombus, 10.10g, 28.73mm, (G&G # B331), about very fine, countermarks.