More online tests Precious Coin Tester

Example of gold coin test onlineWe show the effectiveness of the test on gold coins with a video made by other people. We can see that the app can correctly detect fake and genuine coins. Orignal vide

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How to test a precious coin with Precious Coin Tester

How to test a precious coin with Precious Coin Tester

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Gold tester, gold testing machine and precious metal tester