Collectibles grading and authentication giant Professional Sports Authenticator (PSA) has announced that the company will enter the comic book grading and authentication field in early 2025. Founded ...

For much of its more than three decades of existence, PSA has been one of the leaders — if not the top dog — in its primary category of card grading. But as it expands into grading comics and ...

A little more than two months after launching comic book and magazine grading as a new category, PSA is expanding the vertical to include dual service autograph authentication, the company announced ...

A low grade, a mid grade, and a high grade copy. As we go higher in the numeric grading scale, from 1 to 10, there are less imperfections on the comic book. For instance, this 4.0 you can see has a ...