Carinus Antoninianus. Ticinum mint. AD 282-283. 4.15 g.

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

Mintmark QXXI. 

Cohen 97; RIC V-2, 182; Sear 12302.

Courtesy of Dutch Numismatic Auction 2, Lot 406, Oct. 2018.
Starting Price: 30 Euro.