Watch List notes:

Antoninus Pius. A.D. 138-161. AE sestertius (32.22 mm, 21.99 g, 12 h). Rome mint, A.D. 140-144. ANTONINVS AVG PIVS P P TR P COS III, laureate head right / OPI AVG, Ops seated left, long transverse scepter in right hand, drawing back drapery with left, flower under thrown; SC in exergue. RIC 612. aVF. Scarce reverse. 

Ex John Haer collection; Ex Beast Coins; Ex Davisson's.