Gallienus, Bi. antoninianus, Rome. Joint Reign. 21 mm, 2.7 g. 

IMP CP LIC GALLIENVS AVG, radiate, cuirassed bust right.
APOLINI CONSERVA, Apollo standing left, holding laurel branch and lyre on rock.

Cunetio hoard 550; hybrid with reverse of Valerian.

With permission of Roma Numismatics E-Sale 78, Lot 1672, Dec. 2020.