The Roman Empire
Probus. Siscia. Circa 276-282. AR Antoninianus 3.41 g. IMP C M AVR PROBVS P F AVG, radiate, helmeted, and cuirassed bust left holding spear and shield / SOLI INVICTO, Sol in galloping quadriga left with raised hand and whip. Mintmark XXIS. RIC 767. XF.