Carinus, billon antoninianus. Ticinum mint. AD 282-283. 
22mm, 4.23 g. 

M AVR CARINVS NOB C, radiate, draped and cuirassed bust right.
PRINCIPI IVVENTVT, Carinus standing left, holding globe and spear. Bound captive sitting left at foot.

Mintmark QXXI. 

RIC V-2, 181; Sear -.

With permission of Numismatik Lanz auction 158, Lot 649, June 2014.