Watch List notes:

BENGAL: Rukn al-Din 'Ali Mardin, 1210-1213, AV fractional tanka of 20 rati (2.28g), NM, ND, G-B7, horseman to left holding mace, with most of the marginal text legible // royal legend al-sultan al-mu'azzam rukn al-dunya wa'l-din abu'l-muzaffar 'ali mardan, excellent quality! choice VF, RR. This example shows about 2/3 of the obverse marginal legend, which seems to be "la ilah (illa Allah muhammad) rasul Allah bi-tarikh qa'da (sana?) sitt wa sitmi'a," with "qa'da" probably an abbreviation of the month Dhu'l-qa'da, with Dhu'l-Qada AH606 equal to May 3 to June 1, 1210 AD.

Estimate: 1,800-2,400 USD