Seeker55
This one from the Kwarizmshahs has some similarities (weight, diameter, and a portion of the writing), but isn't a match.
https://www.zeno.ru/showphoto.php?photo=57184
Maybe it can give a starting point.
thank you very much!
almost the same coin is found
https://www.acsearch.info/search.html?id=603301
"Description
ISLAMIC, Persia (Post-Seljuk). Khwarizm Shahs . 'Ala al-Din Muhammad II. AH 596-617 / AD 1200-1220. Æ Broad Dirhem (30mm, 5.96 g, 1h). Tirmidh mint. Dated AH 615 (AD 1218/9). Name and titles of ‘Ala al-Din Muhammad / Name and titles of al-Nasir. Album A1724. VF, brown patina, some areas of flat strike."
