Psophis, Arkadia, AR obol, 8.5 mm, 0.98 g. 470-440 BC. 

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

BCD Peloponnesos 2726; Hoover HGC 1003; Pozzi 1954. 

With permission of cngcoins.com, Triton XIX, Lot 134, Jan 2016.