Watch List notes:

MACEDON, Chalkidian League. Olynthos. Circa 410-400 BC. Tetradrachm (Silver, 25 mm, 14.44 g, 12 h). Laureate head of Apollo to left. Rev. Χ-Α-Λ|ΚΙΔ|ΕΩΝ Kithara with seven strings; all within very shallow incuse square. BMFA 577. Robinson & Clement Group H, 20 (A18/P17). Bright, impressive and boldly struck. Virtually as struck.

From a European collection, ex Numismatica Ars Classica 64, 17 May 2012, 778.