Stymphalos, Arkadia, AE dichalkon, 17mm, 3.93 g. ca 350 BC. 

Head of Artemis right.
STYMFA, bow and quiver.

Traité II-3, 885; BCD Pelop. 1706; Pozzi 4365 (this coin); Imhoof MG 266; BMC Pelop. 7. 
Extremely rare.
Ex Christopher Morcom Collection, Ex M.P. Vlasto Collection; 
Naville IV (17 June 1922), lot 615, ex Pozzi Collection
Estimate: $150

With permission of cngcoins.com, Sept. 2007