Lot Detail - 7/10/1990 Ken Griffey Jr. Seattle Mariners MLB All

1990 Fleer Soaring Stars Ken Griffey Jr #6. Why is this going for so much on ? This was bought for $15 by my great grandfather in the 90s. : r/baseballcards

Ken Griffey Jr Rookie Card guide: Most expensive and valuable cards

List of Seattle Mariners team records - Wikipedia

Mock draft: Building three teams out of '90s-era Mariners - The Athletic

Ken Griffey Jr. Baseball Cards 1990-1993 21 Cards to Choose

Sirius Sports Auctions Auction Item 1558 Baseball Cards 1990 Topps All-Stars