Coin identification [opgelost]

need help!regards A.

This falls into the category of a Roman Provincial coin. The Roman ruler was Septimius Severus (193-211 AD) and it was minted in Istrus, Moesia Inferior. This colony was on the western edge of the Black Sea, in modern day Romania.

An old catalog available online is:
https://babel.hathitrust.org/cgi/pt?id=mdp.39015051454695;view=1up;seq=195;size=125

Look at pages 172-173, numbers 492 to 498. A variety is also shown on plate III, 8.

For other photos see:

https://www.acsearch.info/search.html?term=Istrus+septimius+horse&category=1-2&en=1&de=1&fr=1&it=1&es=1&ot=1&images=1&currency=usd&order=1&company=