Watch List notes:

CYCLADES, Keos. Ioulis. Late 3rd-2nd centuries BC. Chalkous (Bronze, 10 mm, 0.89 g, 11 h). Laureate bearded head of Zeus (Aristais?) to right. Rev. ΙΟΥ Bee. HGC 6, 533. Cf. Joy 518. Papageorgiadou-Banis 95-100. Black patina. Roughness, otherwise, fine.
From the Perioikos Collection, Switzerland.