undetermined Greek coin

Philadelphia in Lydia (?), ?.,
Æ 20 (18-20 mm / 3,90 g), bronze, axes irregular alignment ↑→ (ca. 90°),
Obv.: head of Herakles r., wearing lion's skin headdress (or Apollo, laureate, with bow and quiver?).
Rev.: ..HM...ΦIΛA…(?) , legend around lyre with seven strings.
Isegrim database ; other online resources - .