Watch List notes:

ATTICA. Athens. Circa 430s - 420s BC. Tetradrachm (Silver, 25 mm, 17.19 g, 8 h), Head of Athena to right, wearing crested Attic helmet adorned with three olive leaves and palmette, round earring and pearl necklace. Rev. AΘE Owl standing to right, head facing the viewer; to left, olive sprig and crescent moon; all within incuse square. Agora 8. Dewing 1596 ff. Svoronos pl. 13, 21 ff. A sharply struck example with nice toning and traces of original mint luster. Short irregular flan, otherwise, extremely fine.
From a European collection, formed before 2005.