Watch List notes:

MACEDON. Bottiaians of Bottike. Circa 500-475 BC. Hemiobol (Silver, 6 mm, 0.30 g), Kalindoia. Janiform superimposed heads of Europa to right, her hair bound in a taenia, wearing a disc earring and a pearl necklace, and her bull to left. Rev. Quadripartite incuse square. HGC 3, 1 -. HPM -. SNG ANS -. Unpublished?. Extremely rare, if not unique. A fascinating little coin, well-struck and clear. Some minor deposits, otherwise, very fine.
From the "Collection sans Pareille" of Ancient Greek Fractions.

This coin, with the prominent female head, which almost masks the seemingly shy bull's head peeping out from behind, is remarkably endearing!