Watch List notes:

WESTERN ASIA MINOR, Uncertain. 6th century BC. Tetartemorion (Silver, 6 mm, 0.14 g). Head of a bull to left. Rev. Diamond-shaped linear square with central pellet within incuse square. Cf. CNG E-Auction 199 (2008), 246 (Obol). Klein -. Rosen -. SNG Copenhagen -. SNG von Aulock -. Very rare. Somewhat granular, otherwise, very fine.