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. 150 s.v. ΗΓΗΣΙΔΗΜΟΣ 5/4 c. BC; W. Leschhorn, Lexikon der
Aufschriften auf griechischen Münzen II (2009) p. 528 s. v. ΗΓΗΣΙΔΗΜΟΣ, 5/4 c. BC; 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. 67 n. 13, p. 74 issue 21 (ΗΓΗΣΙΔΗΜΟΣ).