Watch List notes:

ATTICA, Athens. 440-404 BC. AR Tetradrachm (17.18 gm; 25 mm). NGC-AU (Strike 4/5; Surface 4/5). Certificate # 4631297-018. Helmeted head of Athena right / Owl standing right, head facing; olive sprig and crescent behind. SNG Cop. 31; Starr pl. XXII, 7. Almost a full crest.