Third magistrate attested in Athens in 122/121 BC. Councillor in 135/134 BC (H. B. Mattingly, NC 157, 1997, p. 259): See M.
Thompson, The New Style Silver Coinage of Athens (1961) nos. 498-499 / issue 42 (p. 580); C. Habicht, Zu den Münzmagistraten
der Silberprägung des Neuen Stils, Chiron 21, 1991, p. 5 (123/122 BC); Prosopographia Attica 12667; P. M. Fraser – E. Matthews,
A Lexicon of Greek Personal Names II Attica (1994) p. 398 s. v. Simias, no. 8; H. B. Mattingly, NC 157, 1997, p. 258 and W.
Leschhorn, Lexikon der Aufschriften auf griechischen Münzen II (2009) p. 809 s. v. Simias (122/121 BC).