Carinus. Antoninianus. Siscia mint. AD 284. 22mm, 4.16 g.

IMP C CARINVS PF AVG, radiate and cuirassed bust right, seen from the back.
VOTA PVBLICA, Carinus and Numerian sacrificing over altar between them, two standards behind them. 

Mintmark SMSXXIB. 

RIC V-2, 316.

With permission of cngcoins.com, auction 202, Lot 475, Jan 2009