Probus, 276-282. Antoninianus (Billon, 23 mm, 3.30 g, 6 h), Ticinum, 1st officina, 277. IMP C PROBVS AVG Radiate and cuirassed bust of Probus to right. Rev. SALVS AVG / A XXI Salus seated left on throne, feeding from patera a serpent rising from altar to left. Cohen 590. RIC 563. Very rare. Red-brown patina , otherwise, very fine.