Hola oscarwebcaam. Igualmente coincido, se trata de RIC IV Caracalla 30b.
RIC IV Caracalla 30a:
AnversoANTONINVS AVGVSTVS
Type: Bust of Caracalla, laureate, draped, cuirassed, right
RIC IV Caracalla 30b:
AnversoANTONINVS AVGVSTVS
Type: Bust of Caracalla, laureate, draped, right
Saludos.