Gallienus AE Antoninianus AD 253-268, Sole reign. Cyzicus. 24mm.

Obv: GALLIENVS AVG, radiate, draped bust left.
Rev: SALVS AVG, Salus standing right, feeding serpent in arms.
Mintmark: SPQR.

RIC V-I, 657 var (bust type); Sear -.

AAH sale, 1999.