RIC only lists workshop A, though many other examples are now known.
Divus Galerius
A.D. 311
23x25mm 4.5gm
DIVO MAXIMIANO; veiled head right.
MEM DIVI M-AXIMIANI; Eagle surmounting domed shrine with closed doors. B in right field.
In ex. •SM•TS•
RIC VI Thessalonica 48