Crispus (316-326) BI Nummus (Bronze, 19mm 3,12g) London, 321-323.
Obv: CRISPVS NOBIL C, laureate and cuirassed bust to left, holding spear and shield
Rev: BEAT TRANQLITAS, globe set on altar inscribed VOTIS XX in three lines; three stars above, PLON in exergue.
Ref: RIC VII 279