News
Guides and updates on physics-based card grading.
40 articles total
Card grades explained: the 1–10 scale and what Gem Mint means
What do card grades mean? A plain-English guide to the 1–10 scale, what 'Gem Mint' really requires, and the four factors behind every grade.
UK vs US: should you ship your cards overseas to grade them?
Should you ship your cards to the US for grading, or grade them in the UK? A look at the real cost, the wait, and the trade-offs.
What is card centering — and why it makes or breaks a grade
Centering is the factor collectors underestimate most. What it is, why it can decide a 9 versus a 10, and how CALIBRE measures it.
How much does card grading cost in the UK?
What does it cost to get cards graded in the UK? A clear breakdown of CALIBRE's flat £12 pricing, priority options, postage, and how it compares to grading overseas.
How to get your Pokémon cards graded in the UK
A simple step-by-step guide to getting your Pokémon (and other) cards graded in the UK — from choosing what to grade to getting your sealed, certified card back.
How to package and send your cards
A simple step-by-step guide to packaging your cards safely and getting them to us for grading — sleeves, holders, padding, and the right postage.
CALIBRE is open for orders
measurement-based card grading is now open to everyone in the UK. Order online, post your cards, and get a measured grade and full report — with a flat £12/card price and a…
How It Works
Plain-language explanations of each physical measurement CALIBRE makes — what it is, how it works, and what it tells us about the card.
Capability Statement
A complete public record of what CALIBRE measures, how it measures, and how the results differ from every other grading service available to UK collectors.
CALIBRE vs The Market
Where CALIBRE sits relative to every other card grading option available to UK collectors — and why the distinction between grading approaches matters.
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