Quote:
Originally Posted by Peter_Spaeth
For game used bats, don't they assign a grade based on probability it is what it purports to be? Why not something similar for autographs?
The PSA/DNA grading standards for professional model bats are best described in the following manner:
On a scale of 1-10 with 10 being best, what is the degree of likelihood that the player in question actually used the professional model bat. After determining that the particular bat is indeed authentic, our experts then consider a host of factors in evaluating the quality of a professional model bat. The core of the grading criteria is based on the strength or weakness of player use characteristics and/or the documentation that accompanies the bat .
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Or a letter of opinion, where you write about your opinion.