Coin and Currency Collections.
From the Department of Special Collections at the University of Notre Dame Libraries. This site contains information about Early American currency from wampum to Spanish American gold ingots and the Continental dollar. There are also glimpses of future exhibits which include Confederate currency and a Nineteenth Century American token collection.

Coin Guide - Introduction to Collecting Coins.
By Q. David Bowers, author of A Buyer's Guide to the Rare Coin Market, this site discusses buying and selling coins, coin grading, bidding and selling at auction.

United States Mint.
State-by-state schedule for the release of quarters in the 1999-2008 "50 State Quarters Program."