undetermined ancient coin

?, , ? .,
Æ 15 (14-15 mm / 2,61 g), bronze, axes irregular alignment ↑↗ (ca. 40°),
Obv.: helmeted head r., crest or 2-3 dots above(?).
Rev.: ..NON , male standing left, r. leaning on spear and holding shield with his left on ground.
.