Greek THRACE Byzantium: AR Silver Siglos, Date Struck (416 - 357) BC, (5gm, 18mm). Obverse: cow standing left on dolphin, ΠΥ above (the first letter is an archaic form of "B" used at Byzantium). Reverse: Incuse square of mill-sail pattern, punched surfaces textured with dots. Extremely Fine & Rare.