Is your silver real? I have seen lots of fake Morgans and even Washington quarters. You can become an expert in details and be able to tell by looking, but this is so much easier. Watch the video for instructions on how to use it. Yes it's just a magnet. They are polished slick and will not scratch the coin. If you are worried put saran wrap on the coin. Just make sure it's wrinkle free on the test side. Neodymium Magnets N50 1/2 in x 1/4 in Rare Earth Disc Why buy from me? I have the best magnet that I could find. It's no the cheapest but it works very well. My price is $5 shipped.