U.S. Mint Stamps by Year

United States #2055 20¢ Charles Steinmetz Mint Single

United States #2063 20¢ Christmas - Madonna Mint Single

United States #2053 20¢ Civil Service Mint Single

United States #2055-58 20¢ Inventors Mint Se-tenant Block of Four

United States #2038 20¢ Joseph Priestley Mint Single

United States #2065 20¢ Martin Luther Mint Single

United States #2045 20¢ Medal of Honor Mint Single

United States #2054 20¢ Metropolitan Opera Mint Single

United States #2058 20¢ Philo T. Farnsworth Mint Single

United States #2064 20¢ Santa Claus Mint Single

United States #2044 20¢ Scott Joplin Mint Single

United States #2052 20¢ Treaty of Paris Mint Single