Sicily.   Piakos.    AE Hemilitron, c. 420-400 BC.   Obv.    Laureate head of river god left; Π•I•A•K•I•N• before.        Rev.   Hound attacking stag right; acorn to left, oak leaf to right.     HGC 2 1100; CNS III 1/2; Boehringer, Frühen 4 (V1/R3); Campana 1 (same dies); Jenkins, Coinages p. 92; Rizzo pl. LX, 13.     4.21 g.   19.5 mm.      RRR.  Extremely rare issue. Green patina.    Good VF.