Numerian, as Caesar, AE Antoninianus. Rome mint, AD 282-283. 

M AVR NVMERIANVS C, radiate, draped & cuirassed bust right.
PRINCIPI IVVENT, Numerian standing left holding baton and 
sceptre
Mintmark KA delta. 

RIC 362; Cohen 77.

Sold by Gabinet Numizmatyczny D. Marciniak auction 1, Lot 23, June 2017.