Saw one of the 67 Bob Bolin variants being offered on ebay for a very large sum in a PSA slab. I know the "variation" has been listed in SCD for awhile. To me it is interesting how some recurring print defects achieve hobby recognition while others do not. I get that some like the Herrer and Bakep made it in before ebay and the internet made spotting print defects so much easier. But PSA's fairly ( no pun intended) recent recognition of the 61 Fairly with the green in the ball on the back apparently indicates luck, persistence or customer status can get you hobby recognition for an oddball card
There has been a guy trying to sell two of the 52 Campos cards with the missing front border on ebay for astronomical sums for some time. I picked up one years ago for virtually nothing. It is more dramatic then the black star version, and maybe scarcer as well. I hope he gets it recognized because then every 52 master collector will have to have it, and the price will take off

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Does anyone know if the editors at SCD or Beckett have made any pronouncements on what they would recognize as a variation, or do they just know one when they see it