Olynthos, ca. 410-401 BC. AR tetradrachm, 14.16 gr., 24.8 mm.
Obv: laureate head of Apollo to the right.
Rev. ΧΑΛΚΙΔΕΩΝ; kithara with seven strings; all within very shallow incuse square.
Ref: SNG Lockett 1308 (this obverse die); SNG ANS 474; SNG Copenhagen 242.
A head of Apollo of particularly endearing style. Extremely fine.