Watch List notes:

ATTICA. Athens. Circa 500/490-485 BC. Obol (Silver, 8 mm, 0.48 g, 12 h). Helmeted head of Athena to right. Rev. AΘE (either the A inverted or the legend retrograde) Owl standing right, head facing; behind and above, olive sprig; all within incuse square. Seltman Group Gii, p. 188, pl. XXII, κ. HGC 4, 1658. Rare. Lightly toned and well centered. Very fine.