This issue is not noted in RIC for officina S (digamma) but this reverse type is recorded from all the other workshops A- Z, so it was to be expected. In fact, I saw one on VCoins with officina S wrongly described as B.
Procopius
A.D. 365-366
17x19mm 2.6gm
D N PROCO-PIVS P F AVG; pearl- diademed, draped & cuirassed bust left.
REPARATIO FEL TEMP Emperor standing facing, head right, holding labarum in right hand and resting left hand on shield, Chi-rho at top right.
In ex. CONSS dot
RIC IX Constantinople 17a