an artist, whose name appears on a gem; but it cannot be said with certainty whether the name is that of the engraver or of the owner. (Spilsbury Gems, No. 31; Sillig Catal. Artif. s. v.)
[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