Gallienus Billon Antoninianus. Milan mint, 260-8 AD.

Obv: GALLIENVS AVG, radiate head right
Rev: APOLLO CONSER, Apollo, standing left, holding laurel
branch pointed downwards & mantle over left arm.

RIC V-1, Milan 468 (sole reign), rated common

Contributed by Dirty Old Coins, March 1999