How to detect a fake American Eagle Silver coin with the Fisch

Here is a demonstration of the Fisch detecting a fake American Eagle 1oz silver coin.
There are Fisch for these silver coins: Maple Leaf, Austrian Philharmonic and the US Silver Dollar.
The Fisch has been protecting investors & dealers in over 70 countries around the world from fake gold, platinum & silver coins since 1980.
Go to thefisch.com for more information.