Watch List notes:

ATTICA, Athens. Circa 510-500/490 BC. AR Hemidrachm (12mm, 1.99 g, 7h). Head of Athena right, wearing crested Attic helmet decorated with small spiral on the bowl, round earring, and pearl necklace / Head of Athena Ergane right, wearing tainia, hair falling in long plait and tied behind her neck; AΘE to left, olive spray to lower right; all within incuse square. Seltman Group L, pl. XXII, ω = Svoronos, Monnaies, pl. 7, 30 = Hirsch 1270 (same dies); HGC 4, 1638 (same rev. die as illustration); Dewing 1573; Kraay & Hirmer 354 (same dies); Triton XX, lot 148 (same dies). EF, lightly toned, some smoothing. Very rare, only three in CoinArchives.