SGC: A Prewar leader, SGC is known for its distinctive black insert and strong vintage appeal. The SGC slab is seen as either ...

But in this Vintage Grading Report, we are confronted with hard data that might signal the end of an era for the SGC brand.

With the recent news of SGC’s precipitous drop in volume, it’s a fair question: Can CGC make inroads into grading vintage ...

PSA launched comic book and magazine grading in July and will now directly compete against industry leader CGC as well as Beckett’s CBCS within the category. Comic books and magazines join cards, ...