Large silver tanka of Jalal-Ud-Din Mohamed Shah (818-836 AH / 1415-1432 AD) from his second reign, Bengal. Large silver coin, measuring 30mm, 10.8 grams. Inscriptions on both sides. Dated to 827 AH / 1424 AD. Arsah Chatgaon mint. Excellent high grade large silver coin. EXTREMELY RARE! "The coins of Indian Sultanates" #B352.