Stamps and Coins

www.usps.gov - Buy stamps on-line, look-up zip codes or post office locations, track or confirm deliveries, and get change-of-address information.

www.usmint.gov - Even if you're not a coin collector, you'll want to check out this site. It features an on-line store that is chock-full of fun products and provides lesson plans for teachers and games for budding collectors. It also has a neat tutorial on coin production and invites sign-ups for the Mint's e-mail notifications and e-newsletters.

www.bep.treas.gov - Learn how the Bureau of Engraving and Printing fights counterfeiting and produces postage stamps and dollar bills, and buy gifts for currency enthusiasts.