If you’ve ever run across a blank coin, chances are you thought a metal token got mixed in with your change by mistake. In fact, blank coins are not uncommon due to errors during the minting process.
Madison is a freelance science reporter and full-time fact-checker based in the wild Rocky Mountains of western Montana. Madison is a freelance science reporter and full-time fact-checker based in the ...
Don Lutes Jr. kept the 1943 copper penny he stumbled upon in his high school cafeteria seven decades ago in a safe behind a wall in his Massachusetts home. All US pennies were supposed to be made of ...