This coin is not listed in RIC VII with the imperatorial gestus (L7 bust). It should come after RIC VII Lyons 107. This coin is listed in Bastien’s Le monnayage de l'atelier de Lyon, #50, with one example noted.
Constantine I
A.D. 320
CONSTANT-INVS AVG; helmeted, cuirassed, raising right hand and facing left.
VIRTVS-EXERCIT; Standard inscribed VOT/XX with captive seated on ground on either side; in left field A, in right S.
in ex. PLG
RIC VII Lyons --