Watch List notes:

ATTICA, Athens. Circa 454-404 BC. AR Tetradrachm (23mm, 16.98 g, 3h). Helmeted head of Athena right / Owl standing right, head facing; olive sprig and crescent behind; all within incuse square. Kroll 8; HGC 4, 1597. VF, toned, a few light scratches, some tiny deposits, banker's mark on reverse.

Ex Münzen und Medaillen AG FPL 349 (September 1973), no. 8.