The 1989 Ken Griffey ... Upper Deck changed the hobby for the better. They changed collectors' expectations and showed them what was truly possible when it came to producing a baseball card ...

There are thousands of Upper Deck (UD) Ken Griffey Jr. cards and tens ... Griffey's primary base card from every Upper Deck release from 1989 to 2010. Upper Deck's baseball foray started with ...

Ken Griffey Jr.'s rookie cards, like the 1989 Upper Deck ... baseball history, contains 800 cards. Known for its high-quality printing, the set features high-resolution photographs and a hologram ...

Coming in at the top spot is a 1990 Topps rookie card with a ton of errors and misprints. The card is a true 1/1, making it $700,000. Next on the list is another 1990 Topps rookie card for $399,999.

Compare this to Wilt Chamberlain, with 22,700 graded PSA cards issued during his long career (and just 1,932 are PSA 10s). Ken Griffey Jr. 1989 Upper Deck #1 — 113,943 total PSA population The ...