RIC does not list workshop A for Maximianus, but it is in Bastien (15 ex.).
Maximianus
A.D. 292- 293
Ӕ Antoninianus
21x22mm 3.0g
IMP MAXIMIANVS AVG; radiate helmet and cuirassed bust right
PAX AVGG; Minerva stg. l., leaning on shield, holding olive branch and spear.
In ex. A
Cf. RIC Vii Lugdunum 404; Bastien 503