Bengal Sultanate, Chittagong Region Trade, Silver Tanka, AH 967, In the name of Ghiyath ud-din Bahadur, Obv: Arabic legend The Kalima Shahada within a square, the four Caliph's names in the margins, Rev: Arabic legend "Bahadur Shah Sultan ibn Muhammad Shah Sultan khuld Allahu mulkahu wa sultanahu" & Hijri year within a square, 10.7g, 29.00mm, (G&G # B1004), about very fine, Rare.

Estimate: INR 12000 - 15000