new one my why, vendor pictures 24.71g Laureate head of Pius right "ANTONINVS AVG PIVS PP TR P COS IIII" Mars advancing right holding a spear and trophy "S-C" RIC III 778 you dont see Antoninus mars sestertius not so much!
Nearest I have is from Marcus Auerlius, minted under Antoninius Pius: Obv: AVRELIVS CAESAR AVG PII F COS II. Bareheaded bust right, with slight drapery. Rev: S - C. Minerva standing right, preparing to hurl spear and holding shield. RIC 1263 (Pius).
Here's one of Antoninus Pius: Antoninus Pius, AD 138-161 Roman orichalcum sestertius; 23.16 g, 29 mm Rome, AD 142 Obv: ANTONINVS AVG PIVS P P TR P COS III, laureate head right. Rev: ANNONA AVG S C, Annona standing right, between modius and prow, holding corn ears and out-turned cornucopiae Refs: RIC 597; BMCRE 1228; Cohen 37; RCV 4147; UCR 502