Coin depicted roughly twice actual size*

Antoninianus of Probus

Bronze antoninianus, 21mm, 2.66gm, issued AD 276-282 Rome mint.

Obv: IMP PROBVS PF AVG, Radiate bust left wearing imperial mantle and holding sceptre surmounted by eagle.

Rev: SOLI INVICTO (R-Γ in ex.), Sol, radiate, in chariot riding left, raising right hand and holding globe and whip in left hand.

References: see Sear 12038, RIC 200.