Courtesy Eretz Israel Museum

The authentically weathered neck of an ancient bottle sits atop a fake body. The conical body is machine-made and bears glued-on patina. Author Lehrer-Jacobson, who curated an exhibit on fakes for a museum in Israel, writes of the many techniques used to snare the unwary: artificially aged glass covered with an iridescent patina or white “weathering,” greenish glass artificially dulled, modern-day items cast from authentic ancient molds, vessels coated with dirt to appear old. In the case of the item shown here, the fakers not only added the body but they also heated the top of the neck and reshaped it into a trefoil mouth.