News

Guides and updates on physics-based card grading.

40 articles total

By Calibre · 2 June 2026

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.

By Calibre · 2 June 2026

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.

By Calibre · 2 June 2026

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.

By Calibre · 2 June 2026

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.

By Calibre · 2 June 2026

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.

By Calibre · 2 June 2026

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.

By Calibre · 2 June 2026

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…

By Calibre · 1 April 2026

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.

By Calibre · 1 April 2026

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.

By Calibre · 1 April 2026

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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