This Harris United States Plate Block 2000 Supplement sealed package is a perfect addition to any stamp collector's collection. The supplement is designed for use with Harris albums and contains pages specific to plate blocks from the year 2000. The brand, H.E. Harris, is well-known for their high-quality publications and supplies for collectors. This supplement was made in the United States and is suitable for stamp collectors of all levels. Add this to your collection today and enjoy organizing your stamps with ease.