Marcus Aurelius, AR denarius, Rome. Struck AD 178. 

M AVREL ANTONINVS AVG, laureate head right. 
COS III P P, Salus seated left, holding branch; coiled serpent with head right at foot left (here mostly off flan). 

RIC 425a; RSC 152c; BMCRE 696.

With permission of Dr. Busso Peus Nachfolger auction 439, Lot 504, Nov. 2024.