Viminacium in Moesia Superior, 255-260 AD., Gallienus, , Antoninianus, Göbl 815 o.

Gallienus, Viminacium mint (?), emission 2, 255-260 AD.,
Antoninianus (20-21 mm / 3,31 g),
Obv.: IMP GALLIENVS P AVG , radiate, draped and cuirassed bust of Gallienus right, seen from behind.
Rev.: PAX - AVGG , Pax standing left, raising branch in right hand and holding transverse scepter in left.
Göbl 815 o (2 spec.) .

thanks to Curtis Clay and Icos for ID details