Watch List notes:

MACEDON. Terone. Circa 424-422 BC. Tetartemorion (Silver, 7 mm, 0.21 g). Oinochoe to left. Rev. T-E Quadripartite incuse square. Hardwick Group IV, 14. HGC 3.1, 702. SNG ANS 755 (all as hemiobol). Very rare denomination. Perfectly centered and nicely toned. Good very fine.

From a Swiss collection, originally a European collection formed in the 1960s.