Magnentius. AD 350-353. Æ Double Centenionalis (26mm, 9.52 g, 12h). Ambianum (Amiens) mint. Struck January-10 August AD 353. Draped, and cuirassed bust right / Large Chi-Rho, A to left, ω to right; AMB•. RIC VIII 36; Bastien 136; LRBC 20. EF, green patina. Rare in this well-preserved condition.