Watch List notes:

ATTICA, Athens. Circa 454-404 BC. AR Tetradrachm (22.5mm, 17.18 g, 5h). Helmeted head of Athena right, with frontal eye / Owl standing right, head facing, closed tail feathers; olive sprig and crescent to left; all within incuse square. Kroll 8; HGC 4, 1597. Lightly toned. Near EF. Well centered.

From the William H. Birkinshaw Collection. Ex Classical Numismatic Group 100 (7 October 2015), lot 1371.