Magnentius. AD 350-353. Æ Double Centenionalis (23mm, 6.29 g, 6h). Ambianum (Amiens) mint. Struck 19 January AD 350-18 August AD 353. Bareheaded, draped, and cuirassed bust right / Large Chi-Rho; A ω across field; [A]MB•. RIC VIII 36; Bastien 136; LRBC 20. Brown patina with traces of green and red. EF.