Roman Imperial, Marcus Aurelius (161-180 AD) Rome AR Denarius (18,4 mm 3.3 g) Obv: ANTONINVS AVG ARMENIA CVS. Laureate head right.
Rev. PMTR P XVIII - IMP II COS III, Helmeted Mars, militarily dressed, standing right, holding an inverted spear in his right hand and leaning on his shield with his left