Sultanate Coins
Delhi Sultanate, Turk Dynasty, Ghiyath ud-din Balban (AH 664-686/1266-1287 AD), Hadrat Delhi Mint, Gold Tanka, AH 670, Obv: Arabic legend "al-sultan al-A'zam Ghiyath ud dunya wa'l din Abu'l Muzaffar Balban al-sultan", Rev: Arabic legends, "al-imam al mustasim amir al mominin", date and mint name the margin, 11.0g, 27.5mm, (G&G # D155), almost uncirculated, Extremely Rare.

Note: Specimens with-complete legends in the outer circle are difficult to acquire.
Estimate: INR 70000 - 80000