Learn hub

Card grading guides for collectors who want their money back.

Practical, plain-English guides - written by the team that built CardPreGrading. No fluff, no affiliate-bait listicles.

9 min read

Should I send my Pokemon card to PSA? A 2026 decision guide

Most Pokemon cards aren't worth the $25 PSA fee. Here's a step-by-step decision framework to filter out duds before you submit.

Read article →
8 min read

The PSA grading scale, explained: from PSA 1 to gem mint 10

What each PSA grade actually means, the centering thresholds, and why a 10 is sometimes worth 4× a 9.

Read article →
7 min read

PSA centering requirements: the 55/45 rule, and how to measure yours

PSA's centering thresholds are public - and surprisingly forgiving. We measure ours to 0.1mm. Here's how, and what bands to aim for.

Read article →
10 min read

Pokemon card pre-grading: the complete 2026 guide

Pre-grading is the cheap, fast way to predict a card's PSA grade before submission. Here's how it works, what tools exist, and what to expect.

Read article →
9 min read

ACE vs PSA grading: which UK collectors should choose in 2026

ACE is the UK upstart; PSA is the US giant. Costs, turnaround, resale uplift, and which one wins for British collectors right now.

Read article →
7 min read

How to photograph Pokemon cards for grading (or pre-grading)

Phone, light, background, angle. The four-shot setup we use, and the most common mistakes to avoid.

Read article →
8 min read

Is my Charizard worth grading? A specific ROI walk-through

Worked example using Charizard ex from Surging Sparks: cost vs uplift across PSA 8, 9, and 10.

Read article →
6 min read

What is card whitening, and how much does it actually hurt your grade?

Whitening is the top reason raw-looking cards come back PSA 7 or 8. Here's what causes it, how to spot it, and how PSA penalises it.

Read article →
7 min read

Surface scratches and PSA grades: a 2026 reference

How PSA distinguishes hairline scratches from deeper damage, and the practical thresholds that drop you from a 10 to an 8.

Read article →
9 min read

How to spot fake Pokemon cards in 2026: the practical checks

Six tests collectors can run in 30 seconds at home - light, weight, font, ink, texture, and the rip test (only as a last resort).

Read article →
Learn - Card grading & pre-grading guides · CardPreGrading.com