Maybe something similar to this from wildwinds:
Valerian, AE Antoninianus, Rome. AD 257.
IMP C P LIC VALERIANVS PF AVG, radiate, draped bust right.
CONSERVAT AVGG, Apollo standing left, holding laurel branch
and lyre on rock, Q in right field.
RIC V-1, 83; RSC 49; Goebl 168b
