Florian, Antoninianus. 

Obv: IMP C M AN FLORIANVS AVG, radiate, cuirassed bust right 
Rev: PROVIDEN DEOR, Providentia standing right, holding two ensigns, 
 facing Sol standing left, raising right hand and holding globe. 
In Ex: Gamma. 

RIC V-1, 110, Serdica

Courtesy of Roma Numismatics, May, 2013