The product is a set of four Forever Stamp First Day Covers featuring the United States Scott #5410-5413 T.Rex Tyrannosaurus stamps issued in 2019. The covers are from the United States and are of very fine quality. The cancellation type is First Day of Issue, making them a collectible item for stamp enthusiasts interested in dinosaur-themed stamps. These stamps are perfect for fans of prehistoric creatures and stamp collectors looking to add unique pieces to their collection.