Second magistrate attested in Athens in 89/88 BC: See M. Thompson, The New Style Silver Coinage of Athens (1961) nos. 1122-1123,
1125-1130 / her issue 74 (p. 571); C. Habicht, Zu den Münzmagistraten der Silberprägung des Neuen Stils, Chiron 21, 1991,
p. 6 (89/88 BC, his issue 76); P. M. Fraser – E. Matthews, A Lexicon of Greek Personal Names II Attica (1994) p. 263 s. v.
Kleas, no. 1; W. Leschhorn, Lexikon der Aufschriften auf griechischen Münzen II (2009) p. 611 s. v. Kleas.