Florian, AE antoninianus. Rome mint.

IMP C FLORIANVS AVG, radiate, draped, cuirassed bust right
SALVS AVG, Salus standing left by altar, holding 
sceptre and feeding serpent rising from altar.

Mintmark XXI delta.

RIC V-1 Rome 40.
Common.
With permission of cngcoins.com, Jan 2015.