The 1999 SPx #24 CENTRAL Ken Griffey Jr. Seattle Mariners Regional Samples trading card is a rare and sought-after collectible for baseball fans and card collectors alike. Featuring Ken Griffey Jr. from the Seattle Mariners, this card is a part of a unique insert set dedicated to showcasing regional samples from different parts of the country. This particular card, with the card number 24 CENTRAL, represents a specific region and adds to the overall appeal of the set. While it is not autographed or a rookie card, the card holds value for its representation of a legendary player and its limited availability within the set.