Herakleia Trachinia. AR obol, 11 mm, 0.8 g. ca 370-350 BC. 

Head of lion left, spearhead left below.
HRA (R retrograde) beneath a bow lying on a quiver, serpent left above. 

Dewing 1380; Weber 2813.

With permission of cngcoins.com, auction Triton XV, lot 87 (part), Jan, 2012

Note: Babelon describes the serpent as a harness strap, and SNG Munich describe it as a belt or strap.

Dewing_1380