Gallienus, AE antoninianus, Milan mint. Sole reign. 

GALLIENVS AVG, radiate head right.
INDVLG AVG, Indulgentia walking left, holding flower and raising 
hem of robe.
P in left field. 

Goebl 1197c; RIC 485 var (fieldmark); Cunetio hoard 1651; Normanby hoard 434.

With permission of London Ancient Coins, April 2012.