Watch List notes:

Macedon, Akanthos AR Tetartemorion(?). Circa 500-470 BC. Facing lion's head / Quadripartite incuse square. SNG ANS 27-29 var. (obols); HGC 3.1, 390 var. (same). 0.13g, 7mm.

Very Fine. Extremely Rare; seemingly unpublished in the standard references and no others on CoinArchives.