Watch List notes:

MACEDON, Skione. Circa 480-454/3 BC. AR Tetrobol (11mm, 2.20 g, 6h). Bare head of male right / Archaic human eye; Σ-KI around; all within incuse square. Ophthalmologia XIII.8 (this coin); AMNG III/2, 2 var. (ethnic); HGC 3, 672 var. (same); SNG ANS 708. Minor porosity. VF.

From the Dr. Jay M. Galst Collection. Ex Classical Numismatic Group Electronic Auction 407 (11 October 2017), lot 54.