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How to post trading cards safely in the UK

Agree the enclosure, immobilise the protected card inside a strong outer package and keep useful condition and posting records.

By the Trading Card Preservation team · Checked 2026-11-10

Agree what the recipient expects

Ordinary person-to-person posting is not the same as a grading submission. Agree whether the recipient expects a sleeved card in a toploader, semi-rigid holder, magnetic case or another format. For a grader or dealer, follow its current instructions exactly.

Check the carrier's current prohibited-items, packaging, tracking and compensation terms before buying postage. This guide does not promise that a service covers a particular card or sale value.

Build protection in layers

  1. Put the card into a correctly sized clean sleeve.
  2. Add the agreed rigid or semi-rigid holder without forcing it.
  3. Prevent the card leaving an open-edge holder with a fitted outer sleeve or bag; do not attach adhesive to the card-level sleeve or card.
  4. Sandwich or wrap the holder so it cannot bend or strike the outer package.
  5. Use a strong outer box or mailer suited to the parcel and fill empty space so the contents do not move.
  6. Seal the outer package securely and keep the address clear.

Royal Mail's fragile-item guidance recommends robust outer packaging, protective material and effective sealing. Its machinery and handling environment mean a “do not bend” note is not a structural layer.

Control movement without crushing

Shake is not a formal test, but before sealing you should be able to move the parcel gently without hearing the holder travel through the box. Fill voids around the protected bundle rather than compressing the card itself. Keep multiple cards aligned and separated so edges and closures do not rub.

A thin envelope with one piece of cardboard may still flex, admit moisture or allow the holder to reach an edge. Choose the outer package for the complete protected item, not the bare card.

Keep records that match the parcel

Photograph the card's visible condition and completed inner protection, record the item list, and keep proof of posting and tracking. Do not expose personal data in a public image. For several cards, use an order that the recipient can reconcile with the list.

Royal Mail's compensation policy includes packaging conditions and exclusions. Read the current service terms; marking a parcel fragile or keeping photographs does not itself guarantee compensation.

Weather and delivery planning

Use a moisture-resistant outer layer around the protected bundle without trapping a damp card. Post from a dry environment and avoid leaving the parcel in a hot vehicle or exposed collection box. Confirm that someone can receive a service that requires a signature.

For a grading route, switch to the recipient-led packing guide. For a whole collection, use the moving checklist rather than scaling up a single-card envelope.

Sources & checks