Watch List notes:

Antoninus Pius (138-161) - AE As (Rome AD 154-55, 9.30 g) – ANTONINVS AVG PIVS P P TR P XVIII, laureate bust right / BRITANNIA COS IIII, Britannia seated on rock, in attitude of dejection, shield and vexillum in background, S C in exergue (RIC 934, BMCRE 1971) – VF+