@max, first welcome to CCF. Second, can you please add the diameter and weight of your coin to this thread? That information can be super-helpful in the identification. With regard to the Ayyubid Dynasty, here is a link to a great summary:
https://en.wikipedia.org/wiki/Ayyubid_dynasty
https://en.wikipedia.org/wiki/Ayyubid_dynasty
"If you climb a good tree, you get a push."
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz