CENTRAL EUROPE, Boii. 1st century BC. Obol (Silver, 8mm, 0.72 g), 'Athena Alkis' type. Irregular bulge. Rev. Stylized Athena Alkis advancing right; in fields, ornaments. Flesche 501. Kolnikova, Nemcice type O. Sharply struck and clear. Extremely fine.
From the collection of a Swiss mathematician, formed in the 1980s.