PTOLEMAIC KINGS of EGYPT. Ptolemy I Soter. 305/4-282 BC. AR Tetradrachm (28.5mm, 13.96 g, 1h). Sidon mint. Diademed head right, wearing aegis around neck, tiny K behind ear / Eagle standing left on thunderbolt; ΣI to left. CPE 505c; Svoronos 715; SNG Copenhagen 506–7. Toned, banker's mark on obverse,. VF. Very rare with K on obverse.