Antoninus Pius. AE Sestertius. 24.30g; 32mm. 152-153 AD. 

ANTONINVS AVG PIVS PP TR P XVI, laureate head right

SALVS AVG COS IIII, S-C, Salus standing left, feeding 
from a patera a serpent coiled around an altar. 

RIC 906; Sear 4216.

With permission of Roma Numismatics, November, 2009