Watch List notes:

INDIAN COINS, SULTANATES, Sultans of Dehli, Muhammad bin Tughluq (AH 725-752; 1325-1351 AD), Gold Tanka, Balda Qutbabad, AH 727(?), al-Said legend, 10.79g (G&G D321). Mint and date largely off flan, very fine.
dates listed for this type are AH 725-727

Estimate: £400-500