Oiniadai, Akarnania, ca 219-211 BC. AE20mm, 7.15 g. 

Laureate head of Zeus right; PRI below.
Head of the river-god Acheloös right; AR monogram behind
head. 

BCD Akarnania 351.4–7; Hoover HGC 4, 899. 

With permission of cngcoins.com, May 2015