Neapolis, Macedonia, AR Hemidrachm. ca 424-350 BC. 13.5mm, 1.85 g. 

Head of gorgoneion facing with tongue protruding.
NEOP, head of nymph right, hair bound in a narrow taenia. 

AMNG III-2, 9–10; SNG ANS 455–459.

With permission of cngcoins.com, auction 373, lot 37, April 2016.

Estimate: $200.