Probus, AE antoninianus, Cyzicus. 

IMP CM AVR PROBVS PF AVG, radiate bust left, wearing 
imperial mantle, holding eagle-tipped sceptre.
SOLI INVICTO, Sol, holding whip, standing facing in spread quadriga.

CM in lower centre.
Mintmark XXIT.

RIC V-2 Cyzicus 911.

With permission of Jean Elsen et ses fils SA, March 2016