Quintillus, AE antoninianus, Milan mint. 

IMP QVINTILLVS AVG, radiate, draped bust right
FORTVNAE RED, Fortuna standing left, holding rudder and 
cornucopiae.

Officina letter S in exergue.

RIC V-1 Milan 54 var (cornucopiae instead of wreath);
Cohen 33 var (ditto).
Rare

Courtesy of Athina Numismatics on vcoins, 2004

Note: RIC describes Fortuna as holding a rudder and
wreath for this issue.