Watch List notes:

Constantine I. AD 307/310-337. BI Siliqua or Argenteus (18mm, 2.95 g, 11h). Treveri (Trier) mint. Struck AD 310-313. Helmeted, draped, and cuirassed bust left, holding spear over shoulder / Two Victories holding shield inscribed VOT/PR over altar; PTR. Cf. RIC VII 208A; RSC 643. VF, porosity.

This is the first issue of this reverse type and should be placed in RIC VI after 826.