★ Curious Overstrike ★
Gallienus, AD 266-268. Sole Reign. Milan ? mint. Bronze Antoninianus. (19 mm, 2.93 g.). GALLIENVS AVG, radiate head of Gallienus to right. Rev. Double struck or test strike on an uncertain reverse. Note how the front part of Gallienus' head appears to have been re-engraved, as though this would be for a new issue, hence a test strike.