Here is a fairly rare type that I just got...the obverse is a bit weak, but the reverse is nice.
DIVUS GALERIUS
A.D. 312
Æ Follis
24x25mm 6.7gm
DIVO GAL VAL MAXIMIANO, Veiled head right.
FORTI FOR-TVNAE, Fortuna standing left, holding rudder set on globe and cornucopia; wheel at feet to right
In ex. SIS, in right field B over symbol that looks a bit like an M
RIC VI Siscia 224
Struck under Licinius