ATTICA, Athens. 440-404 BC. Silver Tetradrachm (17.22 gm; 24 mm). Helmeted head of Athena right / Owl standing right, head facing; olive sprig and crescent behind. SNG Cop. 31; Starr pl. XXII, 7. Sharply struck on an excellent metal. Choice AU. Lustrous. Lightly toned.