Elaia in Aeolis, 340-200 BC., Chalkus, SNG Cop. 168.

Elaia in Aeolis, 340-200 BC.,
Chalkus / Æ9 (9 mm / 0,62 g),
Obv.: head of Athena wearing crested helmet left.
Rev.: olive branch between two grains.
SNG Cop. 21, 168 ; Dompierre RBN 1907 p. 134, 5 .

thanks to Archivum for ID and reference
JBF explained:
The olive branch presents a canting pun on the name of the city;
Elaia = olive-tree, or olive fruit.
This canting pun is also on some of the coins of Elea, better known as Velia to numismatists.