Set of four First Day Covers with informational panels from the Postal Commemorative Society, honoring Benjamin Banneker, Frances Perkins, Emily Bissell, and Helen Keller with Anne Sullivan. Each cover features a commemorative stamp, cachet, and official "First Day of Issue" postmark, along with a biographical card detailing the honoree's achievements.
The condition appears well-preserved, with clear postmarks and crisp paper. Collectors are offered a rich narrative and historical representation in each piece. See photos for Measurements if taken.