Watch List notes:

SICILY. Panormos (as Ziz). Circa 405-380 BC. Litra (Silver, 12 mm, 0.72 g, 3 h). Head of Athena to right, wearing crested Attic helmet adorned with an olive wreath; in the field to right, grain of barley. Rev. sys (in Punic) Swan floating to left, over waves; to right, grain of barley. Buceti 52. Jenkins, Punic pl. 24, 11. SNG ANS 547. Nicely centered and clear. Dark patina as found. About extremely fine.
From the "Collection sans Pareille" of Ancient Greek Fractions, ex Lanz 40, 25 May 1987, 99, SKA Berne 5, 18 April 1986, 96, and Lanz 32, 29 April 1985, 80.

The reverse of this coin copies the type of the slightly earlier litrai of Kamarina (as lot 124 above).