ACHAIA, Achaian League. Dyme. Circa 86 BC. AR Hemidrachm (16mm, 2.47 g). 

Laureate head of Zeus right.
AX monogram, AMK monogram above, XAS monogram to left, fish right below, all within wreath. 

Clerk 60; BCD Peloponnesos 489 (this coin); SNG Cope 242-243. 
Ex BCD Collection (LHS 96, 8 May 2006), lot 489.

From the CNG Online Store, item 775234, before January, 2008.
By permission of CNG, www.cngcoins.com.