Here's a vid I made that describes how I can tell the difference between silver coins and non-silver coins. This works for me. I have included my setting as well. Please keep in mind that my ground might be very different from your ground and that the settings might have to be tailored to best suit your conditions. Thanks for watching!
Minelab CTX 3030 How to tell if its SILVER! This Works!
Minelab CTX 3030 How to tell if its SILVER! This Works!