Ptolemaic, Ptolemy I,. Tetradrachm; Ptolemaic, Ptolemy I,; c. 305-283 BC, Tetradrachm, 14.36g. CPE-168. Svoronos-265. Obv: Diademed head of Ptolemy I. Rx: Eagle standing l. on thunderbolt, P over monogram in l. field.Magnificent portrait struck in high relief. Obverse with some blue and gold toning . MS