Marcus Aurelius, 161-180. Denarius (Silver, 2.89g, 20mm) Rome, 166.
Obv: M ANTONINVS AVG ARM PARTH MAX, Laureate head of Marcus Aurelius to right.
Rev: TR P XX IMP IIII COS III Victory standing facing and slightly to left, turning her head to right, holding palm with her right hand and setting on a palm-tree a shield inscribed VIC/PAR.
Ref: RIC 163.