Authentic Ancient Roman Empire > lot of 6 Silver and/or Silvered Bronze Antoninianus coins, as seen in the photos. The silver content of these coins was reduced over the centuries to the point where they were bronze coins that were coated with silver. Many times, the silver is no longer present on them due to being buried for so many centuries. Ruler is in millimeters (mm). This item is guaranteed to be authentic ancient coin artifact, found in Croatia with a metal detector. This item ships with UPS for FREE.