Septimius Severus with Caracalla and Geta, AR denarius, 19mm, 3.04 gr. 201 AD.

SEVERVS PIVS AVG, laureate head right.
AETERNIT IMPERI, laureate, draped and cuirassed bust of 
Caracalla facing bare-headed, draped and cuirassed bust of
Geta. 

RIC 251; RSC 6; Hill 517. 

with permission of Dr. Hubert Lanz, November 2000.