Do you have coins and you want to see their value? Or maybe you are at a junk market and someone is selling coins and you really don't want to loose the opportunity of not buying a rare coin at a really cheap price ?
Use this application to see if a particular coin worths a cent or thousands of dollars.
More than 20,000 coins with images and prices are available.
Needs Internet connection!
PS : You can contribute to the catalogs on this website : http://www.allnumis.com