ATTICA, Athens. Ca. 440-404 BC. AR Tetradrcahm (17.17 gm; 24 mm). NGC-Choice AU (Strike 5/5; Surface 5/5). Certificate # 4374498-035. From the Parliment Collection. Helmeted head of Athena right / Owl standing right, head facing; olive sprig and crescent behind. SNG Cop. 31; Starr pl. XXII, 7.