Carinus, billon antoninianus. Siscia mint. AD 282-283. 
22mm, 3.73 g. 

M AVR CARINVS PF NOB CAES, radiate, cuirassed bust right, seen from the back, shield at his right shoulder.
FIDES MILITVM, Fides standing left, holding a standard 
in each hand.

P in right field.
Mintmark XXI. 

RIC V-2, 195; Sear 12295.

With permission of Dr. Busso Peus Nachfolger auction 417, Lot 672, Nov. 2016.