Inscriptions on both sides: Zarb al-sultan al-adil allah azam barbarkshah sultan ibn mahmud shah sultan khallad allahu malike wa sultanahu / Shahada, mint and date around, dated to 873 AH = 1468 AD. Nice large silver coin, 27mm, 10.8 grams. Dar al-Dharb mint. "The coins of Indian Sultanates" #B-527.