Issa, Illyria, AE23 civic issue, ca 344-300 BC. 7.56 g. 

Helmeted head of Athena right.
IS, goat standing right.

BMC 1; Stari Grad coll. 1; Brunšmid Dalmatiens 11-12; Imhoof Klagenfurt 45. 

With permission of cngcoins.com, auction 453, Lot 38, Oct 2019.