Just my five cents (inflation, you know)

I got a new nickel the other day, with a different back. It was commemorating the Louisiana Purchase. I thought the mint was doing with the nickel what it was doing lately with the state quarters. Nope. Turns out that the nickel will have different designs for 2003, 2004, and 2005. The Spring 2004 design is the Louisiana Purchase one I saw, and there will be one in Fall 2004 for the Lewis and Clarke expedition. It's not clear from that site if there will be different designs for 2005.