He's on the doorstep of what will likely be one of his final career milestones. Ken Griffey Jr.'s 600th homer has taken awhile, but it will be celebrated by those who grew up collecting his baseball cards back when there was no player any kid wanted more. The card itself helped Upper Deck quickly become a serious player in the sports memorabilia industry, even if it really … [Read more...] about Griffey Jr. Rookie Symbolized New Era
