Gallienus, AE antoninianus. Rome. Sole reign hybrid.

IMP GALLIENVS AVG, radiate, cuirassed bust right.
PAX AVGG, Pax standing left, holding branch and transverse sceptre. 
T in left field.

RIC V-1 (S), Rome 341; Dalheim hoard 12081.
Scarce.

Hybrid with sole reign obverse and joint reign reverse.

From The Dalheim Hoard catalog.