This coin has a faint ghost of a clashed die on the reverse-- you can make out the back of the helmet in the right field of the reverse.
Constantine I
A.D. 320
20mm 2.7g
CONSTA-NTINVS AVG Helmeted and cuirassed bust right.
VIRTVS EXERCIT; Standard inscribed VOT/XX with captive seated on ground on either side; ✶ in left field.
in ex. •PTR
RIC VII Trier 254