1. A penny short: US mints final 1-cent coins after over 230 years in circulation  abcnews.go.com
  2. U.S. Mint Presses Final Penny After More Than 200 Years  The New York Times
  3. US Mint presses final pennies as production ends after more than 230 years  AP News
  4. The last-ever penny was minted today in Philadelphia  CNN
  5. Now that pennies are gone, here’s how much it costs to make them and other coins  WBAL-TV