Psophis, Arkadia, AR obol, 11mm, 0.9 g. 490-460 BC. 

Forepart of Keryneian Hind right.
Psi O, Fish right in rayed incuse square. 

BCD Peloponnesos 1661; Hoover HGC 5, 1000. 

With permission of cngcoins.com, auction 396, lot 205, April  2017.