Cards from the 1980s and 1990s hold a meaningful place in the hobby. Some of them still influence the market, years after ...

But the rookie card bonanza took off with the 1989 Upper Deck Ken Griffey Jr., a historic card for various reasons. Ken Griffey's Upper Deck card was released the same year as his major league ...

His claim to fame? Owning a jaw-dropping 142,438 individual cards of baseball icon Ken Griffey Jr., a feat that cements him as both the ultimate Griffey superfan and one of the hobby’s most ...