Watch List notes:

VETRANIO, 350 AD. Silvered Æ Centenionalis (4.73 gm) of Siscia. Laureate draped and cuirassed bust / Emperor standing holding standard with Christogram, crowned by victory. RIC.292v. Unlisted mintmark for type. Near Mint. "In this sign yea shall conquer", reference to Constantine’s prophetic dream on the eve of the Battle of Milvian Bridge and subsequent conversion to Christianity.