Delhi Sultanate, Turk Dynasty, Ghiyath-ud-din Balbun (AH 664-686/1266-1287 AD), Hadrat Delhi Mint (Off flan), Silver Tanka, Obv: al-sultan al-a'zam Ghiyath ud dunya wa'l din abu'l muzaffar Balban al-sultan, mint & date in margin, Rev: al-imam al-must'asim amir al mominin, mint & date in margin, 11.2g, 27.73mm, (G&G # D157), about very fine.