Antoninus Pius Æ As. Rome, AD 151-152. ANTONINVS AVG PIVS P P TR P XV, laureate head right / SALVS AVG COS IIII, Salus standing left feeding serpent arising from altar, and leaning on staff; S-C across fields. RIC 900a. 9.04g, 25mm; 5h. Good Fine - Very Fine.