Watch List notes:

Crispus. Caesar, AD 316-326. Æ Follis (19mm, 3.04 g, 6h). Treveri (Trier) mint. Struck AD 322. Laureate and cuirassed bust right, holding spear and shield / Globe set on altar inscribed VO/TIS/XX in three lines; PTR. RIC VII 349. Good VF, brown patina. Very rare.