Al-Sultan ibn al-Sultan rukn al-dunya wa'l din abu'l mujjahid barbakshah / Shahada, mint (Dar al-Darb) and date (864 AH). 29mm, 10.8 grams. Dar al-Darb mint. Dated to 864 AH / 1459. Nice large silver coin. "The coins of Indian Sultanates" #B-516