Watch List notes:

ATTICA, Athens. Circa 465/2-454 BC. AR Tetradrachm (24mm, 17.14 g, 6h). Helmeted head of Athena right / Owl standing right, head facing, spread tail feathers; olive sprig to left; all within incuse square. Starr Group V.B (unlisted dies); HGC 4, 1596. Near EF, some doubling at edge on obverse.