Watch List notes:

Magnentius. AD 350-353. Æ Double Centenionalis (24mm, 5.45 g, 7h). Ambianum (Amiens) mint. Struck AD 353. Bareheaded, draped, and cuirassed bust right / Large Chi-Rho, A to left, ω to right;[A]M[B]. RIC VIII 34; Bastien 135. VF, tight flan, areas of weak strike, dark brown patina.