Hadrian AE As 

HADRIANVS AVGVSTVS, laureate, draped bust right.
SALVS AVGVSTI S-C - Salus standing right, feeding 
serpent rising from altar 
Rome mint: AD 125-128 
RIC 832; Cohen 1357 - SEAR RCV II (2002), #3692, 
page 168 

with permission of cgb.fr, France, June 2011.