Watch List notes:

ATTICA. Athens. Circa 406/5 BC. Tetradrachm (Silver plated bronze, 21.5 mm, 14.36 g, 9 h). Head of Athena to right, wearing disc earring, pearl necklace and a crested Attic helmet adorned with three olive leaves and a spiral palmette. Rev. ΑΘΕ Owl standing to right, head facing the viewer; to left, olive sprig and crescent moon; all within incuse square. cf. Svoronos pl. 15, 12 ff. Kroll pp. 7-8. SNG Copenhagen 31. Very fine.
Ex Naville Numismatics Auction 37, 28 January 2018, lot 83.