Valerian, AE24 of Kyzikos, Mysia. 253-260 AD.

AVT K LIK OVALERIANOC, laureate, draped, and cuirassed bust right.
CTR CWKTRATOUC KYZIKHNW N EOKORWN, legend in six lines within wreath.

Mionnet 240 var (magistrate); cf SNG Cop 141 (Gallienus); cf SNG VA 1288 (ditto).

Courtesy of Marcy's Gallienus website, http://mk.shahrazad.net/gallienus/
July 2010.