This is a site that was created by my middle school students for the 2000 ThinkQuest Junior competition. It covers the history of money in the United States. There are a lot of interesting links and games to play.
Counterfeit Detection
April 4, 2000 -- From Zoe, a parent from St Louis, usa who is affiliated with the site
How do you know if your money is counterfeit or genuine? Visit this fun site and learn all about the security features on a banknote ….the bits that make them difficult to copy. Then take a look at your own money and decide for yourself.
le site numismatique
August 7, 1999 -- From a reader from Paris France who is affiliated with the site
This site gathers as many banknotes as possible for each country and all notes are illustrated in color, full screen. All pictures stay online forever for collectors reference and information. The site is now 400Mb and presents 6000 notes. 48 countries done to date. 8 to 10 countries more per year.