Watch List notes:

Bengal Sultanate, coin struck in the name of Ghiyath ud-din Balban (the sultan of Delhi), Khitta Lakhnauti Mint (Off flan), Silver Tanka, AH (6)73, Obv: Arabic legend "al-sultan al-a'zam Ghiyath ud dunya wa'l din Abu'l Muzaffar Balban" in the centre, the Hijri year, month & mint name off flan in margin, Rev: Arabic legend "al imam al-musta'sim amir al mu'minin", in the centre, the Hijri year, month & mint name off flan in margin, 11.09g, 27mm (Similar to G&G # B79), about very fine, Rare.