By F. Michael Fazzari
There are no secrets to coin authentication. All it takes is a stereo microscope and either the diagnostics of a genuine specimen or access to known genuine coins for a back-and-forth comparison
By F. Michael Fazzari
There are no secrets to coin authentication. All it takes is a stereo microscope and either the diagnostics of a genuine specimen or access to known genuine coins for a back-and-forth comparison