1982 20¢ Library of Congress Mint Single

United States #2004 20¢ Library of Congress Plate Block

United States #2015 20¢ America's Libraries Mint Sheet of 50 *Plate number and position may vary from image shown.

United States #1970 20¢ Louisiana Mint Single

United States #2001 20¢ Wisconsin Mint Single

United States #1965 20¢ Illinois Mint Single