Four commemorative first day covers by the Postal Commemorative Society. Includes themes: America's Space Achievements, American Red Cross 100th Anniversary, 150th Anniversary Savings and Loan Associations, and Professional Management Education Centennial. Each cover features original artwork, historical context, and corresponding USPS stamps postmarked on their official issue dates.
All covers are presented on information cards, pre-punched for binder storage. Overall condition appears well-preserved with stamps and postmarks clearly legible. See photos for Measurements if taken.