The penny , worth 1 cent, is the only copper-colored coin 
   The nickel, worth 5 cents, is silver-colored and larger than a penny 
   The dime, worth 10 cents, is silver-colored and is the smallest U.S. coin. 
   The quarter, worth 25 cents, is silver-colored and is larger than a nickel.

Paper money:
   All U.S. paper money is the same size and the same color
   Denominations include $1, $5, $10, $20, $50, $100 and larger amounts. Paper money for amounts over $100 is not usually 
   seen in public circulation
Currency Conversion - click HERE
It is very difficult to exchange foreign currency in Lamoni, Iowa. It is recommend that you convert it prior to coming to Lamoni.