Watch List notes:

IONIA. Klazomenai. Circa 480-400 BC. Obol (Silver, 7 mm, 0.56 g, 7 h). Forepart of winged boar to right. Rev. Facing gorgoneion within incuse square. SNG Kayhan -. SNG von Aulock 1986 var. (Diobol). Cf. CNG E-Auction 321 (2014), 118. Granular surfaces, otherwise, very fine.