Antoninus Pius (138-161), Antoninus Pius (Caesar 138), Sestertius, 138, Rome, bust right, rev. trib pot cos pietas s c, Pietas, draped and veiled, standing left, holding incense box and dropping incense onto lighted altar, 23.02g/6h (RIC 1082 [Hadrian]; BMC 1942 [Hadrian]; C 602). About very fine, light green patina (£100-150)