Unfortunately this issue is fairly well known and a number of cards reflect the fact that many cards stored away are damaged. Star cards from the glossy era sell for decent money despite the large amout printed.
I had a four 1993 Upper deck factory sets that I got when buying a collection maybe 6 or 7 years ago. I opened one and it was a brick. So then I was stuck because I wouldn't sell them.
I wrapped some in plastic and placed in very cold freezer overnight next day they came apart much better but there was small amounts of color transfer on most cards. So none of the Jeters was worth sending in for grading. Not alot of money but alot of work for mostly a pile of garbage.
Moral Freezer helps but best to stay away if the plan is opening.
J
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