Silvered bronze antoninianus, 23mm, 4.6gm, issued AD 280. Cyzicus mint.
Obv: IMP C M AVR PROBVS PF AVG, Radiate, draped bust facing left holding sceptre.
Rev: SOLI INVICTO (XXIT in ex.), Sol in quadriga, horses spread two to the left, two to the right, holding whip and orb, CM below.