Artuqids of Mardin. Nasir al-Din Mahmud. 597-619/1200-1222. AE dirhem (28,1 mm, 13,5 g, ). Hisn Kayfa mint, dated A.H. 610 (in Eastern Arabic numerals). Double-headed eagle facing, with wings displayed / Name and title of Nasir al-Din Mahmudand Ayyubid overlord in four lines; name of Abbasid caliph in margins. Whelan Type IB, 152-3; S/S type 15; Album 1823.1. aVF.