Mytilene, Lesbos, AR Hemiobol, 377-326 BC. 8 mm, 0.38 g.

Two boars' heads facing each other.
Helmeted head of Athena left in incuse square. 

SNG Berry 1003 var (head left).

With permission of Artemide Asta, auction 27E, lot 64, July 2014.