Watch List notes:

IONIA. Phygela. Circa 400-350 BC. Hemiobol (Silver, 8 mm, 0.41 g, 12 h). Head of Artemis Munychia facing, turned slightly to the left, and wearing a decorated polos. Rev. Bull butting to left; above left, palm frond; above, + (= Φ [?]). S. Hurter, Drei unbekannte griechische Kleinmünzen, SM 174, 1994, p.41, 1 (this coin). SNG Kayhan 542. Very rare, and very probably the best known example. Clear and very well-struck. Extremely fine.
From the "Collection sans Pareille" of Ancient Greek Fractions.