Watch List notes:

Antoninus Pius Æ Sestertius. Rome, AD 154-155. ANTONINVS AVG PIVS P P TR P XVIII, laureate head to right / COS IIII, Mars standing facing, head to left, holding Victory and spear; S-C across fields. RIC III 925; C. 208; BMCRE p. 328. 29.05g, 32mm, 6h.

Very Fine. Very Rare; no examples in OCRE, seemingly no others on CoinArchives.