Card centering guides
Card centering compares opposite printed borders on both axes and both faces. These seven guides explain what to measure, how to read ratios and which limits are official, interpreted or approximate. A centering ceiling does not predict the final grade.
Pokémon card centering: how to check it and what a PSA 10 needs
Check yellow, silver and full-art Pokémon borders, measure the blue back and understand PSA 10 centering with worked examples.
PSA, BGS, CGC and SGC centering: standards compared
Compare front and back centering limits, BGS two-axis rules and Pristine vs Gem Mint, with sources and explicit uncertainty.
Is 60/40 centering good? Card centering ratios explained
Understand 50/50 to 90/10 centering, calculate border ratios and compare ceilings for four graders with millimetre examples.
How to measure card centering with a phone or ruler
Take a straight photo, correct perspective and measure printed borders. Phone, ruler and caliper examples with uncertainty.
Front vs back centering: which side limits your card?
Learn why reverse tolerances differ, how front and back ceilings combine and when either face becomes the limiting factor.
Is my card worth grading? A centering-first checklist
Screen centering, corners, edges and surface before submitting. Compare real costs and condition without guessing a grade or value.
Magic, One Piece and Yu-Gi-Oh! card centering: what to measure
Measure black, white and borderless designs, choose the right card format and avoid using artwork or sleeves as centering references.