EGYPT, Pharaonic Kingdom. Uncertain pharaoh(s). Late 5th–mid 4th centuries BC. AR Tetradrachm (22mm, 17.17 g, 8h). Helmeted head of Athena right, with frontal eye / Owl standing right, head facing; olive sprig and crescent to left; all within incuse square. Van Alfen, Mechanisms, Group III.A.1, Fig. 1 = Buttrey Type B. In NGC encapsulation 6155998-005, graded Ch VF, Strike: 4/5, Surface: 4/5.