Gallienus, AE antoninianus, Milan, sole reign.

GALLIENVS AVG, radiate head right.
PIETAS AVG, Pietas standing left by altar, both hands 
raised and outspread.

Officina letter S in right field.

RIC V-1 Milan 507 var (fieldmark position), Göbl 1266f.

Used with permission of forumancientcoins.com.