Watch List notes:

ATTICA, Athens. Circa 510-500/490 BC. AR Drachm (14mm, 4.17 g, 5h). Head of Athena right, wearing crested Attic helmet decorated with small spiral on the bowl, round earring, and pearl necklace / Owl standing right, head facing; olive sprig to left, AΘE to right; all within incuse square. Seltman Group L, pl. XXII, υ (same rev. die); Svoronos, Monnaies, pl. 7, 20; HGC 4, 1623 (same dies as illustration); Dewing –; Triton XX, lot 147 (same dies); CNG 102, lot 278. EF, lightly toned, very minor smoothing on obverse. High relief, and well centered on an exceptionally broad flan. Very rare, from the earliest issue of Athena-Owl drachms.