Roman Empire, Probus, 276-282, Antoninianus, Siscia, very rare

Roman Empire. Probus, 276-282. Antoninianus, Siscia. Billon 3.87 g.; 23 mm.
Obverse: Radiate and cuirassed bust of Probus left, holding spear and shield. Obverse caption: IMP C PROBVS PF AVG // Reverse caption: SOLI INVICTO // XXIVI

RIC: 769.

Very rare. Mint state MS 60-62