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I was wondering if anyone has done research to know how much (in %) a card increases (in sale value) based on a BGS grade. For example, how much of an increase would a Jason Heyward Bowman Chrome Auto that grades BGS 9 or BGS 9.5 get over a raw card?
Then taking it a step further, what would be the % increase (or multiplier) of refractor auto cards compared to the base chrome auto and so forth with the rainbow? And would the same % increase or multiplier remain the same for refractor BGS 9 or 9.5 cards?
I hope these questions make sense. It is hard to put this in writing.
I guess I am wanting to know if there is a way to make an accurate guess at how much a BGS 9 or 9.5 graded refractor auto would get when I only have sales information for the raw chrome auto.
Any help with this or guess that you may have would be appreciated.
Thanks!
Then taking it a step further, what would be the % increase (or multiplier) of refractor auto cards compared to the base chrome auto and so forth with the rainbow? And would the same % increase or multiplier remain the same for refractor BGS 9 or 9.5 cards?
I hope these questions make sense. It is hard to put this in writing.
I guess I am wanting to know if there is a way to make an accurate guess at how much a BGS 9 or 9.5 graded refractor auto would get when I only have sales information for the raw chrome auto.
Any help with this or guess that you may have would be appreciated.
Thanks!