Antoninus Pius AE Sestertius. 28 mm, 21 g, AD 138-161. Struck AD 157-158.

ANTONINVS AVG PIVS P P IMP II, laureate head right 
TR POT XXI COS IIII, Annona standing left, holding rudder on prow and corn-ears over modius.
S-C across fields. 

RIC 981, rated common. 

With permission of Numismatic Naumann, auction 52, lot 585. April 2017.