First magistrate attested in Athens in 84/83 BC [Thompson issue 79]. Then attested as second magistrate in the period 83/82-72/71
BC: See M. Thompson, The New Style Silver Coinage of Athens (1961) nos. 1165-1172 / her issue 79 (p. 574); M. Caramessini-Oeconomides
– F. S. Kleiner, RBNum 121, 1975, pp. 16-18 (Mnasagoras and Mentor-issue); C. Habicht, Zu den Münzmagistraten der Silberprägung
des Neuen Stils, Chiron 21, 1991, p. 6 (84/83 BC, his issue 81) and p. 2 note 2 (period of Mnasagoras and Mentor-issue); Prosopographia
Attica 10060; P. M. Fraser – E. Matthews, A Lexicon of Greek Personal Names II Attica (1994) p. 309 s. v. Mentor, no. 2 ;
W. Leschhorn, Lexikon der Aufschriften auf griechischen Münzen II (2009) p. 678 s. v. Mentor.