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Harry Potter Transfiguration Rare / Foil Premium English In review
2002

Dobby's Disappearance

Harry Potter TCG: Chamber of Secrets · 10/140

Harry Potter TCG: Chamber of Secrets Art: Keith Garletts Wizards of the Coast

Key facts

  • CardVolume has no verified sales of the Dobby's Disappearance 10/140 (Harry Potter TCG: Chamber of Secrets) on record as of November 10, 2026.

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Values as of Nov 10, 2026 in USD. Market price = median of at least 5 qualifying sales of this exact version and grade in the last 90 days. Methodology

Sales history

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Verified: an editor or automated check confirmed the figure on the source page. Cross-checked: an independent second research pass reopened the source and confirmed it. Reported: cited by research but not re-checked; never used in metrics. Asking prices are never listed here.

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Graded population

No sourced population figure yet.

Population counts copies graded by one company in one grade. It is not a print run and it grows with every submission. Why population is not print run

Grading math for this card

Prefilled with the latest qualifying sale for each grade where one exists. Replace any value with your own. We never suggest what grade your copy will get.

Break-even chance of a PSA 10
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Compare grading math across cards · Formula from Grading: condition, uncertainty, and economics: grading pays only if your honest chance of the high grade exceeds (raw net + cost − other-outcome net) ÷ (high-grade net − other-outcome net). The 13% fee is an editable assumption, not a quoted tariff.

About Dobby's Disappearance

Dobby's Disappearance is a Transfiguration rare spell card from Wizards of the Coast's 2002 Chamber of Secrets set. Collectors search for it because Dobby is a major Chamber of Secrets character and the card has a separate foil premium printing.

Why this card matters

Verified factDobby's Disappearance is COS 10/140 in Chamber of Secrets, a 140-card 2002 Harry Potter TCG set. Unlike the character cards in this batch, it is a spell card with Transfiguration Rare identity and a Foil Premium version rather than a Holo Portrait Premium version. That distinction matters because collectors often search by character name, but the physical collectible here is a spell card tied to Dobby's story moment. [1][2][3]

Identifying the exact version

Verified factVerify COS 10/140, the title Dobby's Disappearance, English language, spell type, Transfiguration Rare identity, and Keith Garletts artist credit. The opened reference lists the English premium as Foil with Foil Premium rarity and the ordinary English printing as Normal with Rare rarity. It also lists Italian and Japanese printings. The PSA Chamber of Secrets foil/holo checklist lists Dobby's Disappearance Foil as card 10, matching the premium treatment. [1][2][3]

What moves the price between versions and grades

AnalysisFor Dobby's Disappearance, do not price the foil premium and normal rare together. Also keep English separate from Italian and Japanese, and separate raw cards from graded slabs by grader and numerical grade. PSA's grading standards make condition a detailed assessment of corners, centering, surface, gloss, staining, and possible alteration. No opened completed-sale page with price and date for this exact version and grade was established in this pass. [1][4]

Authenticity checks

Verified factCompare the card against the COS 10/140 reference, checking the title, set code, collector number, spell type, language, card text, artist, and whether it is Foil Premium or Normal Rare. Use multiple checks and no destructive tests. For slabs, verify the cert but also examine holder, label, card, photos, and seller history because PSA warns that valid cert numbers can be copied onto counterfeit inserts. [1][4][5]

Telling the versions apart

VersionHow to identify it
Unlimited English Foil PremiumUse Chamber of Secrets set code COS and collector number 10/140; the premium version has a Foil finish and is listed as Foil Premium in English.
Unlimited English normal rareUse Chamber of Secrets set code COS and collector number 10/140; the non-premium version has the Normal finish and is listed as English Rare.
Identity note: Seed identity verified as Dobby's Disappearance from Chamber of Secrets 10/140. This is a spell card, not a character card; its premium treatment is Foil Premium rather than Holo Portrait Premium.
Why collectors look this card up: Dobby chase foil; scarce CoS graded market and high asking activity. source 1source 2

What people get wrong about this card

Dobby's Disappearance is a holo portrait character card.
The opened reference identifies it as a Spell with a Foil Premium printing, not a Holo Portrait Premium character card.
The Dobby character name is enough to compare sales across cards.
The exact identity is COS 10/140 Dobby's Disappearance; other Dobby cards or collectibles are separate items.
Foil premium and normal rare copies can be averaged together.
The source lists the foil and normal versions separately, so they should be tracked as separate variants.
A slab cert lookup alone settles authenticity.
PSA states that cert verification does not eliminate risk and that cert numbers can be copied.

Based on the claims our guides decline to adopt: Risk and strategy · Case studies and corrections

Frequently asked questions

How much is Dobby's Disappearance 10/140 PSA 10 worth?
A PSA 10 value is not established here because no opened completed-sale page with price and date for this exact card and grade was found.
Is Dobby's Disappearance 10/140 a character card?
No, the opened reference lists Dobby's Disappearance as a Spell card. [1]
Is Dobby's Disappearance 10/140 holo or foil?
The premium English version is listed as Foil Premium, while the separate non-premium English version is Normal Rare. [1]
What set is Dobby's Disappearance from?
Dobby's Disappearance 10/140 is from Harry Potter TCG: Chamber of Secrets, set code COS, released in 2002. [1][2]
Who illustrated Dobby's Disappearance?
Keith Garletts is listed as the artist for Dobby's Disappearance 10/140. [1]
How many PSA 10 Dobby's Disappearance cards exist?
Not established here; no opened population source supplied a per-card PSA 10 count with a source-stated as-of date. [1]
Can Japanese foil Dobby's Disappearance sales be used for the English foil?
No, Japanese is a separate language printing and should not be merged with English comps. [1]

Sources

  1. Dobby's Disappearance #10/140 — Vault 713 Archive (accessed Sep 26, 2026)
  2. Chamber of Secrets — Vault 713 Archive (accessed Sep 26, 2026)
  3. 2002 WOTC Harry Potter Chamber of Secrets Foil/Holo Set Checklist — PSA Set Registry (accessed Sep 26, 2026)
  4. PSA Grading Standards — Professional Sports Authenticator (accessed Sep 26, 2026)
  5. PSA Cert Verification — Professional Sports Authenticator (accessed Sep 26, 2026)

Not yet established

  • No opened sold comparable page was found for this exact English version and grade.
  • No per-grade population count with a source-stated as-of date was established.
  • No official manufacturer supply event after original release was established.

Research: Codex research pass (live web) · automated source checks · independent cross-check · generated Sep 26, 2026 · awaiting editor review · updated Oct 3, 2026. Found an error? Report it.

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