The original of this piece is in the National Museum, Naples, and was the means of identifying the likeness of the famous Athenian philosopher who flourished 469-399 B.C., for it bears his name and also a Greek inscription from Plato’s Crito, which reads, Socrates speaking: "For I am and always have been one of those natures who must be guided by reason, whatever reason may be which upon reflection appears to me to be the best."