Pokémon Card Centering: How to Measure It and What PSA, CGC and BGS Allow
How to measure Pokémon card centering at home, what ratios like 55/45 mean, and the centering PSA, CGC and Beckett publish for their top grades.
Guides
Pokémon card grading & authenticity guides
Plain-language guides on condition, centering, grading and spotting counterfeits.
How to Spot a Fake Pokémon Card: 9 Checks You Can Do at Home
Nine practical checks for spotting a fake Pokémon card at home: text, color, the back, holo, light, print pattern, edges and weight, plus when to get it checked.