Watch List notes:

Magnentius. AD 350-353. Æ Double Centenionalis (25mm, 5.80 g, 6h). Uncertain mint. Reduced weight emission, AD 353. Bareheaded, draped, and cuirassed bust right / Large Christogram; A ω flanking. Cf. RIC VIII (Ambianum) 39, 41, 43-4. VF, brown patina, irregular flan.