Watch List notes:

CILICIA. Tarsos. Circa 420-410 BC. Hemiobol (Silver, 5.50 mm, 0.40 g, 9 h). Bust of the Persian King to left. Rev. Persian dynastic symbol within dotted square. Unpublished in standard references, but cf. SNG France 207 for an obol with the same reverse type. Extremely rare and probably unique. Very fine.