I have to disagree with howardyoung. I think everything that is collectible will be gone as our new generation does not care about those relics that older generations once cherished. If its not digital, new and shiny, or serve a purpose to make my life lazier then why have it?
I gave my nephew my ancient Dan Marino and Steve Young rookie cards that were given to me by by oldest brother.
My nephew sold those cards to buy an iTouch