Florian, antoninianus, Siscia, AD 276. 

IMP C M AN FLORIANVS P AVG, radiate, draped and cuirassed 
bust right, seen from the back.
FELICITAS AVG, Felicitas standing left by altar, holding 
patera and caduceus. 
Mintmark S. 

La Venera hoard 1973; ric.mom.fr 4300
Rare.

With permission of cngcoins.com, Group - Triton XII, Lot 751, Jan 2009