This one is fairly rare-
Galerius
A.D. 293
Æ Antoninianus
21x23mm 2.9gm
MAXIMIANVS NOB C; radiate, draped and cuirassed bust.
SECVRIT AVGG; Securitas standing left, legs crossed, leaning on column, right hand raised to head.
In ex. B
RIC V-2 Lugdunum 691