Watch List notes:

Attica, Athens. Ca. 454-440 B.C. AR tetradrachm (24 mm, 17.18 g, 10 h). Helmeted head of Athena right, with frontal eye / ΑΘΕ, owl standing right, head facing; above and behind, olive sprig and crescent; all within incuse square. Kroll 8; SNG Copenhagen 31. NGC XF, strike: 5/5, surface: 5/5.