The first rule of coin collecting is: DO NOT CLEAN YOUR COINS. This is the most important piece of advice for any collector, new or old. Serious collectors and experts agree that most coins should ...

You never expected to find something that might be worth money tucked away in a drawer, and that sudden excitement can push you to act fast. Avoiding a few common mistakes now can preserve - and ...

Here's what to do—and not do—when cleaning collected coins. Chalk it up to the excitement of having my own money for the first time, but when I was a kid, I loved cleaning all of the coins collected ...

10:13, Thu, Oct 29, 2020 Updated: 10:17, Thu, Oct 29, 2020 Should you clean coins? If your coins have no collectible value and you just want to rid everyday coins of bacteria and viruses, that’s ...

Is the crusty material on an ancient Roman coin “old dirt” or “oxidized metal”? In a lesson crossing the humanities and physics curricula, Providence Hall humanities teacher Bruce Rottman and science ...