Beckett slabs are bullet proof. Best protection offered for your cards. I have the 5th and 7th cards Beckett ever graded and to this day they look like they just came back from getting graded.
SGC has in my opinion by far the nicest looking cases and if I get anything graded for my personal keep for life collection it is SGC without question. I also think they do the best job at grading a card.
PSA has an amazing registry.
My $.02
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