ROMAN IMPERIAL COINS, Antoninus Pius (138-161), Sestertius, Rome, 143/4, laureate bust right, rev. BRIT[ANNIA] S C, Britannia, bare-headed, wearing tunic and breeches, seated left on rock, holding signum in right hand and resting left elbow on round shield, balanced on rock, 25.61g/5h (RIC 742; BMC 1637). Fine, dark patina, very rare £350-400

This rare issue celebrates military success in Britain and the extension of the province into southern Scotland and the building of the Antonine Wall between the Firths of Forth and Clyde