Antoninus Pius. A.D. 138-161. AR denarius (17.9 mm, 2.72 g, 6 h). Rome mint, struck A.D. 164-165. ANTONINVS AVG ARMENIACVS, laureate head of Antoninus Pius right / P M TR P XIX IMP II COS III, Mars wearing crested helmet and military garb, standing right, left foot on helmet, holding reversed spear and resting on shield. RIC III 123; RSC 468 ("TRP XVIII" in error). Good VF, well-struck and centered on regular flan, "pebbly" texture in fields, olive patina.