Magnentius. AD 350-353. Æ Double Centenionalis (25mm, 5.74 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. Good VF, dark green patina.