Stymphalos, Arkadia, AE Tetrachalkon, 17mm, 4.61 g. 191-146 BC. 

PUQWN, Zeus standing left, holding Nike and sceptre.
STYMFALAIWN, Achaia seated left, holding wreath and sceptre.

Warren, Bronze 819-830; Benner 3; BCD Peloponnesos 1708.

With permission of cngcoins.com, Oct. 2009.