unknown coin from Abbassid Caliphate ??? [решено]

I have a coin from the Abbasside Caliphate but I can't read the text on it.
Who can help me with the right ID and the right year of this coin?
Diameter 25.2 mm, 1.0 mm thick, 3.31 gr.



Thanks
easthook

Are you sure it is Abbassid? There are several coins from the Umayyad Caliphate that are very similar, although I haven't been able to find one that perfectly matches.

Hi

The Abbassid Caliphate was a guess because I could not find this coin somewhere.
I have just looking for by the Umayyad Caliphate and it is a better fit. The problem is then which one of the list is the right type. I can't read the text on the coin, that makes it difficult.

thanks
easthook

Umayyad
Wasit mint
123 AH / 740-741 AD
Klat 2002 Catalogue of the Post-Reform Dirhams, p283 #716.