ATTICA, Athens. 440-404 BC. AR Tetradrachm (17.22 gm; 25mm x 27mm). NGC-MS*. Helmeted head of Athena right / Owl standing right, head facing; olive sprig and crescent behind. SNG Cop. 31; Starr pl. XXII, 7. NGC-MS*(Strike 5/5; Surface 5/5). Certification # 4631297-020. Choice Superb. Full crest. Lustrous. Best quality you could get for this type.