Money Museum - A comprehensive history of money including maps, images detailed information and tutorials.
My Coin Collecting - Resource with general information about coins and coin values. Provides information about rare coins, values and price guide, how to articles on photography, as well as storage.
National Numismatic Collection - NNC includes approximately one million objects--more than 400,000 coins and some 550,000 pieces of paper money and encompasses the entire history of money of the world, coins and paper money, as well as medals.
Numismatica - Information about numismatics, the study and collecting of coins, paper money, tokens, medals, and other similar objects.