Begteginid at Irbil
Muzaffar al-Din Kökburi b. ‘Ali
563-630 / 1168-1233
Album #1888.3 - " AE dirham, lion-rider left (rarely right), no overlord, many dates between 590 and 614 known (Irbil). [rarity = S]"
"Some examples also cite the caliphal heir ‘Uddat al-Dunya wa’l-Din Abu Nasr (probably about equal rarity). Rare with clear date."
See:
http://search.zeno.ru/index.php?v=0&au=on&ar=on&ae=on&fe=on&th=on&c=begteginid&t=&d=&wmin=&wmax=&smin=&smax=&m=&ymin=&ymax=&y=&u=&a=&s=0
Dates reported in Diler:
586, 7
590, 7, 8, 9
600, 2, 4, 5, 6, 7, 9
614
Obverse Beneath:
ضرب باربل
It has been struck at Irbil
Obverse Above:
(date) …
Reverse center:
لا اله الا
الناصر لدين الله
امير المومنين عدة
الدنيا والدين
أبو نصر مظفر
الدين كوكبرى
بن على
The last line is different on your coin.
Reverse left side:
الله محمد
Reverse right side:
رسول الله