Watch List notes:

GAUL, Massalia. 485-470 BC. Hemiobol (Silver, 8 mm, 0.58 g), Milesian standard, 'Auriol'. Head of a gorgon facing, with tongue outstretched. Rev. Irregular incuse square. Furtwängler M 20-22. Maurel 34. Rare. Very attractively toned. Obverse struck from a slightly worn die, otherwise, nearly extremely fine.
From the "Collection sans Pareille" of Ancient Greek Fractions and from the collection of V. M. Brand, 7, Sotheby's 25 October 1984, 3.