Watch List notes:

Attica, Athens. c. 520-500 BC. Tetradrachm, 16.97g (8h). Obv: Helmeted head of Athena right with full crest. Rx: Owl standing right, head front; olive sprig at upper left, ΑΘΕ downwards on right, all in incuse square. Close to Seltman 345 (A-223/P-290).