There are two issues here. One, is the restoration considered acceptable. Two, should the restoration be disclosed.
Generally, I think that if the restoration involves chemicals that change the card's fibers, or that possibility cannot reasonably be ruled out, it is unacceptable. I think the add/remove distinction is too simplistic, it depends what is being removed and how.
More importantly, I think that if the restoration dramatically improves the card's grade (such as here), it should be disclosed whether or not it's generally considered acceptable. I would want to know if the card I was buying had been restored appreciably. And notwithstanding a third party grade, it seems to me wrong to conceal it.
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Last edited by Peter_Spaeth; 02-07-2017 at 11:20 AM.
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