Watch List notes:

MYSIA. Lampsakos. Circa 500-450 BC. Diobol (Silver, 10 mm, 0.89 g, 3 h). Janiform female heads wearing circular earring. Rev. Head of Athena to left, wearing Corinthian helmet, within incuse square. SNG BN 1126 and 1128-9. Lightly toned. Very fine.
From the collection of a scholar.