Watch List notes:

MACEDON. Skione. Circa 405/403 BC. Tetrobol (Silver, 12 mm, 1.74 g, 2 h), Thraco-macedonian standard. Youthful male head to right, wearing taenia. Rev. ΣΚΙΩ-ΝΑΙΩΝ Corinthian helmet to right; all within a shallow circular incuse. SNG ANS 713. Traité II, 4, 1024 and pl. CCCXVII, 19 (same dies). For the date of this issue, see, J. H. Kagan. Stopping and Starting Coinage..., RBN CLXVIII, 2022, p. 11 and fig. 16. Rare. Clear and well-centered. Reverse with uncleaned deposits, otherwise, good very fine.
From the Collection "sans Pareille" of Ancient Greek Fractions, ex Lanz 36, 21 April 1986, 197.