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Rich H.If it helps the analysis, my purchasing was driven by these following "operational rules" in this order:
1. Filling a hole in my wantlist
2. Highest grade available
3. Price not greater than 150% of SMR
4. Upgrade if conditions 2 and 3 exist
Empirically, I have found that 150 cards were generally harder to find in 6 and 7, but that 5's were plentiful and common. However wthin 5's, i've noticed that there tended to be more brownish discoloration along the borders (maybe from slightly more advanced age and/or more handling?) Can't find any staitstical significance though...
Glenn, could you do the same analysis for the PSA data I gave earlier? There was a slightly broader range of grades available
Thanks,
Rich