Bronze antoninianus, 23mm, 3.79gm, issued AD 276-282 Cyzicus mint.
Obv: IMP C M AVR PROBVS PF AVG, Radiate bust left, wearing imperial mantle and holding sceptre surmounted by eagle.
Rev: SOLI INVICTO (XXIA in ex.), Sol, radiate, in spread quadriga, CM below.