Marcus Aurelius, AR denarius Rome mint, AD 174. 

M ANTONINVS AVG TR P XXVIII, laureate bust right.
RELIG AVG IMP VII COS III, Mercury, wearing petasus and short cloak, standing front, looking left, holding patera and caduceus. 

RIC 309; BMCRE 611+; RSC 537.

Contributed by Chris Cotelesse, March 2021.