Is this coin fake ? I made ping test via app Pingcoin, which there is 0/3 tones recognized. The coin Is not magnetic and weights 13,18 grams. It sounds little different compared

The Ping Test - How to find fake silver coins

Is this coin fake ? I made ping test via app Pingcoin, which there is 0/3 tones recognized. The coin Is not magnetic and weights 13,18 grams. It sounds little different compared

1893 Morgan - real, fake, cleaned? .9 Oz on the scale. : r/coins

The Ping Test - Ep. 5/5 How To Test Your Coins

Got this American silver eagle recently and it has a rather strange finish, could it be plated or how do i verify the authenticity? : r/Silverbugs

Seeking Mathematical Truth in Counterfeit Coin Puzzles

Stop the Fakes With a Ping: Testing Silver Coins

Is this coin fake ? I made ping test via app Pingcoin, which there is 0/3 tones recognized. The coin Is not magnetic and weights 13,18 grams. It sounds little different compared

CS 3530 Session 17

Is Your Silver Coin Real or Fake? Use the Ping Test!