Watch List notes:

ISLAMIC SULTANATES, Bengal. Rukn al-Din 'Ali Mardan. AH 606(?)-609/10 / AD 1210/11-1213. AV Fractional Tanka (17mm, 2.29 g, 12h). Horseman left, holding mace(?) in raised right hand; no mint formula in field; Kalima and [AH date formula] in outer margin / Name and titles of Rukn al-Din 'Ali Mardan in five lines. CIS B7; Rajgor Type 115; CNG 96, lot 1128 (same dies). Good Fine, areas of weak strike. Very rare.

From the collection of Dr. Lawrence A. Adams, purchased from Hakim Hamidi (Persic Gallery), November 1989.