Watch List notes:

Macedonia, Olinthus. Tetradrachm circa 420-417 BC, AR 13.18 g. Laureate head of Apollo l. Rev. Six-stringed cithara. Robinson-Clement pl. III, A2 / P3.
Obverse from a slightly rusty die and some areas of porosity, otherwise extremely fine

Ex NAC sale R, 2007, 1105.