undetermined ancient imitation or modern fake

ancient imitation or modern fake ?, , ?.,
Drachm imitation (?) (13-14 mm / 3,43 g), white metal or lead(?), axes irregular alignment ↑→ (ca. 110°), convex flan shape, old encrustations,
Obv.: (helmeted?) head r., dotted border.
Rev.: ( NIH ?) , head (of Athena?) r., wearing crested Corinthian helmet, three letters(?) behind, dotted border.
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