I found this Silver coin today can someone please tell me Who is this on coin? and is this second emperor marcus aurelius?
https://www.acsearch.info/search.html?id=3772637 Caracalla. A.D. 198-217. AR denarius Rome mint, A.D. 208. ANTONINVS PIVS AVG, laureate head right / PONTIF TR P XI COS III, around, PROF in exergue, Caracalla on horseback right, holding spear; captive seated below. + the 2nd is Septimius Severus I think.