Same, Elis, Cephallenia, AR Triobol ca 370 BC, 2.44 g. 

Facing head of Athena, wearing triple-crested helmet.
SAMAI, ram standing left.

BMC 7; Traité 1266; Weber (DE) 1965. 
Extremely rare. 

Ex Hirsch sale XXI, 1908
Estimate: 600 CHF.

With permission of Numismatica Ars Classica - Auction 54, Lot 101, March 2010