BENGAL: Iltutmish, 1217-1236, AR tanka (10.74g), [Lakhnauti], VS[12]77, G-B18, horseman, holding mace in his right hand, galloping left // Nagari sri above the name iltutmish, minimal weakness of strike, without any testmarks or banker's marks, attractive VF, R. The VS date is equivalent to AD1220/21 and is the earliest known numerical date on an Indian coin (earlier numbers as regnal or issue years are known, but not as actual dates; e.g., the fanams of Orissa), engraved in Nagari numerals.
Estimate: 500-650 USD