Sicily, Gela. C. 420-405 BC. AE Onkia (10mm, 1.08g, 6h). 

Head of young river-god right; barley grain behind. 
Bull butting left; pellet in exergue.

Jenkins, Gela 500; CNS 29; SNG ANS 108. EF.

Courtesy of LAC London Ancient Coins Ltd Auction 4, May 2011.