CoinWorldTV Mysia, Parium (4th Century BC) AR Hemidrachm. Gorgoneion / Cow Region: Mysia Denomination: Hemidrachm Mint Period: 4th Century BC State: Parium (Greek Colony) Reference: NG von Aulock 1319, SNG Paris 1357. R! Diameter: 13mm Material: Silver Weight: 2.32gm Obverse:Gorgoneion facing, tongue protruding. Around, six serpents. Reverse: Cow standing left, head reverted. ...