Calabria. Tarentum. (Circa 420-227 BC) AR Obol. 0.58g. 

Obv: Shell. 
Rev: Dolphin right, owl below. 

Vlasto 1473ff. 

Rare. Very Fine 

Base price: € 70 

Courtesy of londonancientcoins on deamoneta.com, Dec. 2010