We used to have buffalo nickels, Mercury Dimes and Indian head pennies...
On an interesting side note, I remember reading somewhere that the Buffalo Nickel is considered by coin collectors to be one of the worst coins the U.S. mint ever made (from a collector's standpoint). Because the buffalo image had such a deep relief on the face of the coin (i.e., the image was very thick in comparison to the width of the coin), it wore down very easily during circulation -- making it very hard to find old coins of this sort in good shape.