One Piece card centering: tool, borders and back guide

Which format should a One Piece centering tool use?

The link on this page selects the standard calibration, 63.5 × 88.9 mm, from Centering Lab's card-size model. These are nominal tool dimensions, not a Bandai manufacturing tolerance or proof of authenticity. Confirm that your physical card is a normal playing card rather than an oversized display item. The size affects rectification and millimetres; a centering ratio still divides opposing borders, not total card width.

Use the official Bandai card list to identify the exact card number, language and illustration. It documents alternate treatments. Consultation date for this guide's sources: 2 October 2026. The same character on a different treatment is not a valid reference for expected border widths.

Which front borders should you measure?

On a printing with a continuous external frame, place the inside lines at the frame's transition to the card content. The outside lines go on the cut edge. Do not choose the power number, cost circle, name bar or text box simply because it forms a sharp rectangle. Those elements can have intentional spacing unrelated to equal outside margins.

Artwork, effects and foil can cross a printed frame. Compare the same treatment, then look for straight stretches of a genuinely continuous boundary. Keep left/right separate from top/bottom; use the worst measured portion of a slanted frame rather than selecting its most centered section.

What should you do with alternate art or a borderless front?

A manga-style or other alternate illustration can remove or disrupt the front reference. Do not force the detector's lime lines onto a speech panel, character outline or convenient text rectangle. A manual adjustment is useful only when you can justify the same frame on opposing sides.

If that reference is absent, leave front centering unresolved and measure the back. Matching the art by eye is an edition comparison, not a measured border ratio. The visual examples illustrate what a real pair of borders means; they do not manufacture one for a borderless design.

How do you check One Piece back centering?

Use the reverse's continuous printed boundary where it exists, checking the outer cut first. A central illustration or lettering is not automatically a symmetric rectangle. Rotate the photo to make inspection convenient, but do not crop away an edge or transplant the front frame onto the back.

Take a separate straight photo with four corners visible and diffuse light. Verify both axes and all line placements before combining faces. A clear reverse can be measured even when the front is full art; that gives a reverse-only assessment, not proof of the missing front. See the two-face workflow.

Which grading houses have verified One Piece examples?

Official records show One Piece cards at PSA and CGC. These records verify that the game has been graded, not that every issue, language or unusual format is currently accepted. Check eligibility directly for your specific card; this page is not an exhaustive directory of graders.

Limits apply to both axes separately. For BGS front, the worse axis must meet the loose limit and the other axis the tight limit. — means no separate numerical back rule in this model. A ceiling is not an overall grade.

The table compares the four calculator models; it is not a One Piece acceptance list. BGS/CGC include interpretations, SGC is approximate and has no numerical reverse band. At 60/40 on both front axes the PSA model returns 9 MINT. A ratio alone does not predict a final grade or authenticate a card.

Which One Piece measurement mistakes are easiest to avoid?

Do not measure a sleeve's black edge, the lip of a holder or a bright foil reflection. Photograph on a matte dark surface and move the light rather than taking a strong angled shot to remove glare. Preserve enough detail in a thin margin to place its line without guessing.

After opening the checker, upload your own card instead of treating the home demonstration as a One Piece reference. The format link overrides a saved choice for this visit; you can still correct the format in the results. Keep uncertainty near a threshold and use the overview of game frames for comparisons with Magic and Yu-Gi-Oh!.

Frequently asked questions