Card Grading Explained: PSA, BGS and CGC

Card grading is when a third-party company authenticates a card, assesses its condition on a 1 to 10 scale and seals it in a tamper-evident plastic case called a slab. The grade can affect how a card is valued and traded, but grading costs money and time, so it is not right for every card.

How card grading works

When you submit a card, the grading company authenticates it, inspects four main areas of condition, assigns a numeric grade, and encapsulates the card in a sealed holder with a label showing the grade and a unique certification number. You can usually look up that certification number on the grader's website.

The four condition factors that matter most:

• Centering: how evenly the borders are distributed, front and back.
• Corners: sharpness, with no rounding, fraying or dings.
• Edges: smooth, with no chipping (whitening on dark borders is common).
• Surface: no scratches, print lines, dents, stains or creases.

The major grading companies

Other companies exist, including SGC (well known in sports cards) and regional graders. Each publishes its own grading standards, and these change over time, so always read the current standards on the company's website.

What the grades mean

Names vary slightly by company, but the general ladder looks like this:

Beckett and CGC both reserve a "Pristine 10" for cards that are essentially flawless even under magnification, above their Gem Mint 9.5 or Gem Mint 10.

When is grading worth it?

Grading is generally worth considering when a card is valuable, likely to grade highly, or needs authentication to sell with confidence. It is rarely worth it for common cards or cards with obvious wear. Consider grading when:

• The card is a high-demand or older card where condition makes a big difference.
• You plan to sell, and buyers in that market expect graded copies.
• You want authentication for a card that is often counterfeited.
• The card has personal value and you want long-term protection in a slab.

Skip grading or think twice when:

• The card has visible whitening, scratches, dents or poor centering.
• Total cost (grading fee, shipping both ways, insurance) is a large share of what the card is realistically worth.
• You want to play with it; slabbed cards cannot be used in a deck.

Grading fees, service tiers and turnaround times change frequently and vary by declared value, so check each company's current pricing page before submitting. We do not quote prices or predict values.

How to pre-grade your own cards

1. Work on a clean, soft surface with good, angled light.
2. Check centering by comparing opposite borders; a centering tool or ruler helps.
3. Inspect corners and edges with a jeweller's loupe.
4. Tilt the card under light to reveal scratches, print lines and dents on the surface.
5. Be harsh. Most freshly pulled cards are not 10s, often because of centering or tiny edge flaws.

How to prepare a submission

• Place each card in a new penny sleeve, then a semi-rigid card holder; many graders specify semi-rigid holders over toploaders. Follow the company's packing instructions exactly.
• Gently remove fingerprints or dust with a clean microfiber cloth only if you are confident; never use liquids or try to "fix" a card.
• Fill out the submission accurately, including declared values.
• Ship with tracking and appropriate insurance.

Population reports

Major graders publish population reports showing how many copies of a card have received each grade. Collectors use them to judge how scarce a high grade is. Remember that population counts only reflect cards submitted, not all cards in existence.

Graded slabs are also counterfeited. Learn how to verify them in our guide to spotting fake cards.