Roman Imperial Coinage, Antoninus Pius (138-161), Aureus, c. 145-161, bare-headed bust right, rev. Roma, helmeted and draped, seated left holding palladium and spear; shield set on ground to right, 7.05g (Calicó 1454; RIC 159; BMC 588). Edge smoothed and flan slightly buckled at 12 o’clock on reverse, nearly very fine, scarce £1,000-£1,200