Antoninus Pius AR denarius, AD 138-161. Denarius 17-19mm; 
2.99g. Struck AD 138. 

IMP T AEL [CAES HADRI] ANTONINVS, laureate head right. 
AVG PIVS P M T–R [P COS DE]S II, Diana, draped, standing 
right, holding arrow in lowered right hand and bow raised in left. 

RIC 7a; BMCRE IV 9.
Very rare.
With permission of cngcoins.com, the AK Collection.