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Message:: [QUOTE="Lehigh96, post: 956873, member: 15309"]FYI, your use of the term market acceptability applied to the numerical grade is going to confuse a whole lot of people.  My answer to your question is that gradeflation is a result of statistical probabilities and has nothing to do with a conscious effort on the part of the TPG's to push the limits. The crackout artists will always resubmit PQ coins that they think they can get into a higher graded holder.  If the price difference is $500 between grades, the crackout artist only really needs a 10% chance that the coin will upgrade in order for it to be profitable.  The grading process is such that the same coin can be submitted several times and the grade can (and does) change.  Gradeflation is much more a product of the submitters persistence than the intentions of the graders.  In fact, I submit that the intention of the graders is consistency but it is just an impossible feat and can only be accomplished a certain % of the time.  The crackout artists know this and use the inherent inconsistency of the grading process to accomplish their goal. In that respect, I applaud PCGS and their new innovation to stop gradeflation.  But Doug, you want me to believe that the TPG's are purposefully market grading AU Jefferson Nickels to BU.  In my mind, that seems ludicrous.  The 1941-S Large S variety may be scarce, but it is not so scarce that the TPG's need to market grade the extant population.[/QUOTE]