Antoninus Pius, 138-161. Denarius. 3.25 gr. – 17.3 mm. Rome, 151-152. ANTONINVS AVG PIVS P P TR P XVI Laureate head of Antoninus Pius to right. Rev. COS IIII Vesta standing left, holding simpulum in her right hand and palladium in her left. Cohen 197. RIC 219. aXF