RIC only lists workshop S for this issue.
Constantius II
A.D. 336
15mm 1.7gm
FL IVL CONSTAN-TIVS NOB C; laureate, draped and cuirassed bust right.
GLOR-IA EXERC-ITVS; Two soldiers helmeted, stg. facing one another, reversed spear in outer hands, inner hands on shields resting on the ground; between them one standard inscribed with a Chi-Rho.
in ex. PCONST
RIC VII Arles 396