Watch List notes:

CARIA. Chersonesos. Circa 500-480 BC. Obol (Silver, 9 mm, 0.99 g, 9 h). Head of a roaring lion to right. Rev. Head and neck of a bull to right; all within an incuse square. Cahn X1. HN Online 561 (temp.). SNG Ashmolean 50 (same dies). SNG Kayhan 1, 831 (same dies). Very rare. Well-struck and toned. About extremely fine.
From the "Collection sans Pareille" of Ancient Greek Fractions, and from the collection of L. Mildenberg, acquired as a gift from Raoul Abecassis.