1984 20¢ St. Lawrence Seaway Plate Block

United States #2091 20¢ St. Lawrence Seaway Mint Single

United States #1131 4¢ St. Lawrence Seaway Plate Block

United States #1131 4¢ St. Lawrence Seaway Mint Single

United States #2072 20¢ Love Plate Block of 20 *Plate number and position may vary from image shown.

United States #2074 20¢ Conservation Plate Block

United States #2094 20¢ Herman Melville Plate Block

United States #2090 20¢ John McCormack Plate Block*Plate number and position may vary from image shown.

United States #2095 20¢ Horace Moses Plate Block of 20 *Plate number and position may vary from image shown.

United States #2096 20¢ Smokey Bear Plate Block