How-To12 min read
Pre-Grading Checklist: Centering First, Then Corners, Edges, Surface
Step-by-step pre-grading checklist: measure centering against PSA, BGS, CGC, SGC and TAG limits, inspect corners, edges, surface, then run the ROI math.
How-To
Step-by-step guides to measuring centering, reading ratios, checking cards before you submit and getting accurate numbers at home.
4 articles
How-To12 min read
How to Measure Centering on Full-Art, Alt-Art and Borderless Cards
No border to measure? Here is exactly where to put your reference lines on full-art, alt-art, VMAX, GX and borderless sports cards, with worked mm examples.
How-To13 min read
What 55/45, 60/40, 65/35 and 70/30 Centering Mean in Millimeters
Centering ratios in millimeters: what 55/45, 60/40, 65/35 and 70/30 centering look like on Pokémon, sports and Japanese borders, plus grade limits per grader.
How-To15 min read
How to Measure Card Centering at Home: Ruler, Caliper, Pixels or App
How to measure card centering at home with a ruler, caliper, scanner pixels or an app: the formula, which edges to measure, mm examples and how precise to be.