A British archaeologist is claiming that a terra-cotta portrait from an Etruscan tomb dating to c. 200 B.C.E. may be the oldest known contemporary portrait of a named individual. This claim sounds a little suspect to me -- we've got what are at least Roman copies of presumably earlier Greek portrait busts of Themistocles and Pericles, for example -- but here's the article from The Australian so you can read it for yourself.