Argos, Argolis. Ca 280-260 BC. AE dichalkon. 16mm, 3.17g.

Head of Hera right, wearing stephane
Athena Promachos advancing left. 

BCD Peloponnesos 1100-1101. Traité III 632. SNG Copenhagen 57. 
Ex BCD (private sale). VF. 
 
With permission of Jencek Ancient Coins, jhecoins.com