Watch List notes:

SICILY. Himera. Circa 530-483/2 BC. Litra or Obol (Silver, 12 mm, 0.82 g). Rooster standing to left. Rev. Mill-sail incuse square, with four raised and four sunken triangles; all within a rayed border. Buceti 5. Cf. Kraay 281. Clear and sharp. Obverse very slightly off-center, otherwise, good very fine.
From the "Collection sans Pareille" of Ancient Greek Fractions.