This personally hand-signed Cal Ripken Jr. commemorative baseball is a must for any sports memorabilia enthusiast. It comes with an iron-clad certificate of authenticity and hologram from Mounted Memories. Mounted Memories has been providing the best in authentic sports memorabilia since 1989 and is widely hailed as the industry leader in sports memorabilia collectibles and acrylic display cases. With Mounted Memories, you really can buy peace of mind!