Watch List notes:

MYSIA. Kyzikos. Circa 550-480 BC. Hemiobol (Silver, 9 mm, 0.45 g). Tunny fish swimming to left, with raised back fins; below, lotus flower. Rev. Quadripartite incuse square. Rosen 520. SNG BN -. Von Fritze 5. Edge split, otherwise, very fine.
From the collection of a scholar.