(Γναῖος), or CNEIUS, an engraver of gems, contemporary with Dioscorides, in the time of Augustus. Several beautiful gems are inscribed with his name. (Mus. Florent. vol. ii. tab. 7;
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Stosch, Pierres gravées, tab. 23; Bracci, tab. 49.) [P.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890