Antoninus I Pius, Rome mint, 140-144 AD.,
Sestertius (ø 33-34 mm / 20,96 g), brass ("orichalcum"), axes medal alignment ↑↑ (ca. 0°), encrustations,
Obv.: ANTONINVS AVG - PIVS P P TR P [COS III ] , laureate head of Antoninus Pius facing right.
Rev.: S-ALVS - AVG / S - C , Salus standing left, her right holding patera, feeding snake coiled round altar, her left leaning on scepter.
RIC III, p. 111, 635a (common) ; BMC 1303 ; Coh. 710 ; Strack 854 .
To the extent that coin types are a reflection of imperial interests, we may assume there was a concern for the health of the emperor during this issue.