Ptolemaic Kingdom. Ptolemy I Soter. As King, 305-282 B.C. AR tetradrachm (27 mm, 14.00 g, 12 h). Alexandria mint, Circa 305-285 B.C. Diademed bust of Ptolemy right, wearing aegis; Ð behind ea / Eagle standing left on thunderbolt; P and monogram before. Svoronos 252; SNG Copenhagen 69. Toned VF.