Hard to find sealed Titleist golf ball collection from 1997. This set contains quite possibly the most sought after souvenir Tiger Woods golf balls. Titleist released this limited edition golf ball set to commemorate Tiger Woods' victories during the 1996-1997 season. Each of his 7 victories is commemorated by a "book," which contain 3 custom golf balls each inscribed with the name and date of the tournament and a facsimile signature of Tiger Woods.