Watch List notes:

THE ROMAN EMPIRE
Gallienus, 253 – 268

Antoninianus, Siscia 260, billon 3.84 g. GALLIENVS AVG Radiate and cuirassed bust r., holding shield over the l. shoulder and breast plate decorated with horseman spearing down falling enemy. Rev. PA – X AVG Pax advancing l., holding branch and wreath. C –. RIC –. Göbl 1395 (obv.) and 1397 (rev.).
An apparently unrecorded variety of a rare type. flan crack at five o'clock
on reverse and a metal flaw on reverse, otherwise extremely fine