This workshop is not listed in RIC...Lech has several, including this one--
https://www.notinric.lechstepniewski.info/6her72_g.htmlConstantine I
A.D. 312
22x23mm 4.4g
IMP C FL VAL CONSTANTINVS P F INV AVG; laureate head right.
IOVI CONSERVATORI AVGG; Jupiter standing facing, head left, chlamys hanging from left shoulder, right holding globe, left leaning on scepter; in left field wreath, Γ in right.
In ex. SMHT
RIC VI Heraclea 72