Watch List notes:

Bengal Sultanate, Ala ud-din Husain (AH 899-925/1493-1519 AD), Khazana Mint, Gold Tanka, AH 899, Obv: Arabic legend The Kalima Shahada at the top in two lines, mint Khazana & Hijri year 899 completely visible within a double multifoil & ornate border, Rev: Arabic legend "al-sultan al-adil al-badhil walad sayyid al-mursalin "Ala'ud-dunya wa'l din Abu'l Muzaffar Husain Shah al-sultan khuldallahu mulkahu wa sultanu" within a double circle, 10.45g, 25.5mm, (G&G # B690), small chiseled mark, about very fine, Extremely Rare.