Sultanate Coins
Malwa Sultanate, Ala ud-din Mahmud Shah I (AH 839-873/1436-1469 AD), Copper 1/8 Falus, obv: Arabic legend "Ala ud dunya wa 'l din", Rev: Arabic legend "Mahmud Shah Khalji", 1.2g, 11.00mm, (Unpublished in G&G), about very fine, Extremely Rare.

Note: Struck from the silver dies of 1/8 tanka; it is the first coin of this type to be offered. The original green patina is absolutely visible on both sides.
Estimate: INR 10000 - 15000