Magnentius. AD 350-353. Æ Double Centenionalis (25mm, 8.17 g, 6h). Ambianum (Amiens) mint. 7th emission, AD 353. Bareheaded, draped, and cuirassed bust right / Large Christogram; A-ω flanking; AMB. RIC VIII 34; Bastien 135; LRBC 19. Near EF, glossy brown patina.