Watch List notes:

Antoninus Pius, (A.D. 138-161), AE sestertius, (28.10 g), Rome mint, issued A.D. 139, obv. laureate head of Antoninus Pius to right, around ANTONINVS AVG PIVS P P, rev. around DA [C I A], [COS II] in exergue, Dacia standing left holding crown and dragon-headed standard, S C across, (S.4170, RIC 581, BMC 1187, cf.C.347). Dark brown patina, attractive very fine/good fine and rare.

Ex Spink & Sons, London, Private purchase, October 7, 1987.