Quietus, Usurper, 260-261. Antoninianus (Billon, 22 mm, 4.36 g, 6 h), Samosata. IMP C FVL QVIETVS P F AVG Radiate, draped and cuirassed bust of Quietus to right. Rev. MARTI PROPVGNATORI Mars advancing to right, holding spear and shield; star to the lower right field. Cohen 9 corr. (star not noted). MIR 1737n. RIC 7 corr. (star not noted). Extremely rare; the fourth known example. Some cleaning marks, otherwise, good very fine.