CONSTANTINVS IVN N C, laureate and draped bust right / BEATA TRANQVILLITAS (unbroken), globe set on altar inscribed VO/TIS/XX in three lines, three stars above. C-R in fields, PLG in exergue.  18mm, 2.81 grams. Lyon mint. RIC 148.

Rare 1st BEATA issue from 321, rated R5 in RIC.