Magistrate attested in Apollonia Pontica 425-339 BC. See F. M. Fraser / E. Matthews, A Lexicon of Greek Personal Names. Vol.
IV Macedonia. Thrace. Northern Regions of the Black Sea (2005), p. 9 s. v. ΑΘΗΝΑΙΟΣ 4 c BC (LGPN V4-1253-1257); Σ; E. Paunov,
The tetradrachm coinage of Apollonia Pontica: Iconography, issues and magistrates, in: D. Boteva (ed.), Ex Nummis Lux: Studies
in Honour of Dimitar Draganov (2017), 59-87, p. 66 n. 2, p. 71 issue 11 (ΑΘΕΝΑΙΟ I), p. 77 issue 34 (ΑΘΕΝΑΙΟΣ II).