Throughout the month of October, Collectibles on SI provided consistent coverage of the rapid and seemingly inexplicable rise ...

On September 22, 2025, just over a month ago, three 1989 Upper Deck Ken Griffey, Jr., PSA 10 cards sold through the high-volume (former) eBay seller Probstein. Their prices were $3800, $3800, and ...

Ken Griffey Jr. has not played in a game since May 2010. It has been nearly a decade since he was inducted into the Baseball Hall of Fame. Outside of a recent appearance as a photographer working at ...

Though Ken Griffey Jr.’s 1989 Upper Deck rookie card is by far his most famous card — and among the most iconic in history — it isn’t his most valuable card. That distinction currently belongs to his ...

Step-by-step on PSA, Beckett & SGC grading. From authentication to slabs, avoid pitfalls & boost resale. My Griffey Jr.

Ken Griffey Jr., who is one of the most naturally gifted players to ever step onto a Major League Baseball field, built a Hall of Fame career over 22 seasons, primarily with the Seattle Mariners and ...

We asked readers for their Ken Griffey Jr. memories and what he meant to them and to Seattle. Here are some of their responses: Junior saved baseball in this city and helped me keep my connection with ...

Ken Griffey Jr. and Ken Griffey Sr. had an open conversation, and now, they want their fans to have the same ones with their families as well. The former MLB players and father-and-son duo spoke to ...