This is a collection of 10 Mercury Dimes that have been circulated from different years and mints. The coins are made of 0.9 fineness silver and have a business strike type. They are ungraded and uncertified. These coins are a great addition to any coin collection and a perfect way to own a piece of history. The variety of Mercury coins in this collection is sure to impress any coin enthusiast. Add them to your collection today!