Watch List notes:

Sicily, Countermarked Agrigentum Hemilitron. ; Sicily, Countermarked Agrigentum Hemilitron; c. 406-339 BC, AE 25-26, Hemilitron, 17.67g. Obv: Large circular countermark containing head of Herakles r. wearing lionskin headdress, as on SNG ANS-1084. Rx: Small circular countermark containing crab seen from above, as on SNG ANS-1087. The original types of the countermarked coin are obscure. Ex Edgar Owens 24, 29 February 1996, lot 13.Struck on a worn planchet, with crab countermark on reverse. VF