Watch List notes:

ANTONINUS PIUS, (A.D. 138-161), silver denarius, Rome Mint, issued 147, (3.41 g), obv. ANTONINVS AVG PIVS P P, laureate head to right, rev. COS IIII, Concordia or Clementia standing left, holding patera and sceptre, (S.4070, RIC 129, RSC 226, BMC 521). Light grey cabinet patination, slightly off centred on the reverse, about as struck from dies of good style with excellent detail remaining, good extremely fine and rare in this condition.