Magistrate attested in Apollonia Pontica 425-339 BC. See W. Leschhorn, Lexikon der Aufschriften auf griechischen Münzen II
(2009) p. 527 s. v. ΗΓΗΜΟΝ, 355-340 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. 12, p. 74 issue 23 (ΗΓΗΜΩΝ).