Orchomenus, Arkadia, AE17 civic issue, 370-300 BC. 3.2 g. 

Helmeted, bearded head right of local hero, wearing 
crested Corinthian helmet.
ER, Artemis standing right, firing an arrow from her bow,
square C or Gamma in lower right field.

BMC 3-4; Paris A2997; BCD Pelop. 1577-1579; Hoover HGC 960.

With permission of cngcoins.com, auction 404, Lot 163, August 2017.

Ex BCD Collection (not in prior BCD sales).