Watch List notes:

ATTICA, Athens. Circa 500/490-485/0 BC. Cut AR Tetradrachm Fragment (17.5mm, 8.80 g, 11h). Helmeted head of Athena right / Owl standing right, head facing; [olive spray to left; all within incuse square]. Cf. Seltman Groups M and G (for type); cf. HGC 4, 1590 (same). Toned, cut down to half the weight of an Attic tetradrachm (= didrachm). Near VF.