The product is a set of four Fleetwood First Day Covers featuring the 1989 #2412-2415 25c Constitution Bicentennial stamps. These FDCs commemorate the 200th anniversary of the United States Constitution and include a 25 cent denomination stamp. The cancellation type is First Day of Issue, adding to the collectible value of the items. These FDCs are a piece of United States philatelic history, perfect for collectors interested in historical events and stamp memorabilia.