Pre-grading guides for collectors

Why Pre-Grading Is Essential for Card Collectors

How Gradeon Simplifies the Card Collecting Journey

How to Take the Perfect Picture for Accurate Pre-Grading

Card Grading, Explained: How Gradeon Pre-Grades a Card

7 Details to Check If You Want to Know What Your Card Is Really Worth

The 11 Defects Every Grader Looks For — and How to Spot Each One

The Card Defect Encyclopedia: Every Type of Damage, Explained

Is It Worth Grading Your Card? A Step-by-Step Decision Guide

How to Scan and Photograph a Card for Pre-Grading

6 Things to Know Before You Decide to Grade a Card

Your Card Is Damaged — 5 Checks Before You Write It Off

8 Mistakes That Ruin a Card Scan (and How to Get It Right First Time)

Centering Isn't an Opinion: the 4 Numbers That Decide It