Watch List notes:

ISLANDS OFF CARIA, Astypalaia. 2nd-1st centuries BC. Dichalkon (Bronze, 15 mm, 2.12 g, 6 h). Head of Perseus to right, wearing Phrygian cap. Rev. A-C Harpa. BMC 2. HGC 6, 1279. Joy 676. A difficult coin to find; with a green patina. Nearly very fine.
From the Perioikos Collection, Switzerland.