Watch List notes:

CARIA. Idyma. Circa 400-350 BC. Hemiobol (Silver, 7 mm, 0.41 g, 2 h). Head of a nymph (Aphrodite ?) to right, her hair bound up in a taenia . Rev. [Ι]-Δ-Υ[Μ] /ΙΟΝ Grasshopper to right. Ashton, Beginning pl. 1, 8. HN Online 2158 (temp, 2 this coin). SNG Kayhan II 1628. Extremely rare. With a surprisingly detailed grasshopper. Obverse slightly rough. Good very fine/extremely fine.
From the "Collection sans Pareille" of Ancient Greek Fractions, ex Münzen und Medaillen FPL 527, November/December 1989, 86.