[Aquarian Sports Cards]

Originally Posted by Snowman

I think it would depend entirely on what that alteration is and what the eye appeal is. If you put a 52 Mantle in a PSA "Authentic Altered" slab with no other info, then sure, it sells for significantly less. But if PSA revised their grading standards to put that same Mantle in a PSA A8 holder with a note about screwdown damage being the reason and that it otherwise looks like a NM-MT 8, then I'd wager good money that it would sell for a significant premium over the current AA holder.

I would agree with this.