Aegae, Achaia, AR Hemidrachm,  2.68 g, ca. 460s-450s. 

AIC, Forepart of goat left, the truncation ornamented with pearls.
NOIACIA, Bearded head of Dionysos right, wreathed with ivy. 

BMC 5; McClean 6315; SNG Cop 125; Traité 826. 
Very rare. 

With permission of LHS Numismatik AG, auction 96, lot 386, May 2006.
Estimate: 650 SFr.