Watch List notes:

Magnentius. AD 350-353. Æ Double Centenionalis (23mm, 4.93 g, 7h). Uncertain mint, possibly Ambianum (Amiens). Struck AD 353. Draped and cuirassed bust right / Large Chi-Rho; A ω across field. Cf. RIC VIII 39, 41, and 43-4 (for type). Good VF, green patina. Struck on a compact flan.

From the J. Herbert Collection.