1989 25¢ World Stamp Expo '89 Plate Block

United States #2433. $3.60 World Stamp Expo Imperf Souvenir Sheet Mint, Never Hinged.

United States #2616 29¢ World Columbian Expo Plate Block

United States #2401 25¢ Montana Statehood Plate Block

United States #2426 25¢ Kachina Doll Plate Block

United States #2420 25¢ Letter Carriers Plate Block

United States #2417 25¢ Lou Gehrig Plate Block

United States #2414 25¢ Executive Branch Plate Block

United States #2413 25¢ U.S. Senate Plate Block

United States #2421 25¢ Bill of Rights Plate Block