Professor Cozmo's Discovery #89
🔥 Hot MoveAs card #89 in Holon Phantoms, Professor Cozmo's Discovery is a Uncommon Trainer card worth about $7.02 ungraded.
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By CardLedger Research · Market data updated · Prices from TCGplayer & Cardmarket
Net estimates use each marketplace's default seller tier and typical shipping — fees vary by category, account status and payment method, so confirm current rates before selling.
Demand for Professor Cozmo's Discovery #89 rose this week. If you're cashing out, this is a strong window; holders can wait for more upside.
Professor Cozmo's Discovery at a glance
- 7-day average €0.21; 30-day average €0.14.
- Trend price on Cardmarket: €0.20.
- Trades around $7.02 on TCGplayer.
- Set: Holon Phantoms (EX, 2006).
- Rarity tier — Uncommon.
Professor Cozmo's Discovery price by printing
Live TCGplayer and Cardmarket values for Professor Cozmo's Discovery #89.
TCGplayer prices, updated 2026/10/26.
- Low
- $2.50
- Mid
- $7.28
- High
- —
- Low
- $0.10
- Mid
- $0.45
- High
- —
Cardmarket pricing (EUR)
Cardmarket data updated 2026/10/26.
Verify the card image and live listings on TCGplayer, Cardmarket or eBay.
Is this Professor Cozmo's Discovery a good deal?
Put any asking price against today's live market value for Professor Cozmo's Discovery #89.
Enter what a seller is asking for Professor Cozmo's Discovery #89. We compare it to today's live market value.
About Professor Cozmo's Discovery #89
Card #89 of Holon Phantoms is Professor Cozmo's Discovery, a classic-era Trainer card from the EX series (2006). As a Trainer card (Supporter), it is a staple for deck builders and set collectors alike.
Ken Sugimori illustrated this card. Its Reverse Holofoil printing is priced near $7.02, with listings from $2.50 to —.
Card facts
- Set
- Holon Phantoms
- Series
- EX
- Number
- #89 / 110
- Rarity
- Uncommon
- Illustrator
- Ken Sugimori
- Subtype
- Supporter
- Released
- 2006/05/03
Professor Cozmo's Discovery attacks, abilities & battle stats
Printed card text and battle statistics for Professor Cozmo's Discovery #89 — the playability layer behind the price.
Battle stats
- Retreat cost
- —
- Attacks
- —
Professor Cozmo's Discovery price analysis
What drives the current market value of Professor Cozmo's Discovery #89.
By print variant, TCGplayer lists Reverse Holofoil ($7.02), Normal ($0.52) — 2 versions in total.
At $7.02 there is enough headroom for both flipping and collecting; compare the low and high ends before committing.
At $7.02 there is enough headroom for both flipping and collecting; compare the low and high ends before committing.
On Cardmarket (EUR) the card trends at €0.20, with an average sold price of €0.15 and a lowest near-mint ask of €0.02.
Professor Cozmo's Discovery price history & movement
The card is heating up: the 7-day average sold price is €0.21, 50.0% above the 30-day average of €0.14.
Latest daily average €0.05 against a trend price of €0.20.
Across 4 recorded days the price spanned $7.02–$7.02. The most recent snapshot of $7.02 sits 100% up that range.
Daily moves average a volatility of 0%, and the largest peak-to-trough drawdown recorded is 0%.
Cardmarket averages
Price fingerprint
Built from CardLedger's own daily snapshots · 4 days tracked · latest
Real recorded values from our daily TCGplayer snapshots — not estimates or back-filled history. Methodology
How much would you net selling Professor Cozmo's Discovery?
Model the real take-home on a [object Object] sale across eBay, TCGplayer, Cardmarket and direct — fees and shipping included.
On a $7.02 sale, the take-home differs by platform: about $5.79 via eBay's default tier, $5.82 on TCGplayer, $6.32 on Cardmarket, $5.95 on Whatnot and $7.02 selling directly — a $1.23 spread after fees and typical shipping.
High-fee marketplaces reach the biggest buyer pool, while direct and low-commission routes keep more margin but move slower — adjust the widget below for your own shipping and price.
Your sale
Pre-filled with the current TCGplayer market for Professor Cozmo's Discovery #89.
Modelled on each marketplace's default seller tier with your shipping input. Net payout = sale price − selling fees − outbound shipping. Fee figures are estimates (last reviewed October 15, 2026) and vary by category, account status and payment method — confirm current rates with the marketplace. Open the full seller fee calculator to model account tiers and buyer-paid shipping.
Should you grade Professor Cozmo's Discovery?
Model the break-even and PSA 9 vs PSA 10 profit on grading Professor Cozmo's Discovery #89 against today's raw market value.
Grading plan
Pre-filled with the live market value for Professor Cozmo's Discovery #89.
Both-way postage plus declared-value insurance.
Estimated graded values below are a transparent starting point based on the raw price band — edit them with real graded comps before deciding.
At $7.02 raw and $40.00 all-in grading cost, a PSA 10 nets — versus selling raw, a PSA 9 nets —. You need a graded sale of $53.00 to break even on grading.
At your stated grade odds the expected profit is — (-60.2% return on cost basis).
Grading costs, turnaround and grade outcomes vary by service and card. The estimated PSA 9 and PSA 10 values are heuristics, not predictions — always sanity-check against recent graded sold listings before committing. This is a modelling tool, not financial advice.
Professor Cozmo's Discovery within Holon Phantoms
By market value Professor Cozmo's Discovery sits at #104 of 109 in Holon Phantoms (set median $44.24).
Relative to the set median it is a value pick, placing it in the top 6%.
The set's top card is Mewtwo Star (#103), valued at $9,200.00.
What makes Professor Cozmo's Discovery valuable
- Professor Cozmo's Discovery is a Uncommon, so condition and the specific print variant matter more than raw rarity.
- The Ken Sugimori artwork gives Professor Cozmo's Discovery appeal beyond pure playability.
- Professor Cozmo's Discovery comes from the classic era (2006), giving it a stable collector base with no new printings.
- As a Trainer card it is valued for deck utility and set completion.
- steady supply at this price keeps the card accessible to new collectors.
Buying & selling Professor Cozmo's Discovery
- Because it is a Trainer card, Professor Cozmo's Discovery has both collector and player demand — a broader buyer pool than purely collectible cards.
- Bulk lots of Professor Cozmo's Discovery can hide condition issues; inspect edges and holo surfaces before paying near the — high.
- Check sold listings rather than asking prices — the Reverse Holofoil market of $7.02 reflects actual transactions on TCGplayer.
- Track the Cardmarket 7- and 30-day averages (€0.21 and €0.14) to time entries and exits.
- For Professor Cozmo's Discovery, confirm the exact print variant before buying: Reverse Holofoil, Normal prices differ, and listings often mix them.
Professor Cozmo's Discovery value questions
How much is Professor Cozmo's Discovery worth?
The current TCGplayer market value is $7.02 for the Reverse Holofoil printing, with a low of $2.50 and a high of —. Cardmarket trends at €0.20.
Will Professor Cozmo's Discovery hold its value?
Short-term momentum is rising (+50%). Older print runs tend to be more defensive holds.
What rarity is Professor Cozmo's Discovery?
Professor Cozmo's Discovery is a Uncommon card from Holon Phantoms (EX series, 2006). It sits in a common-to-mid rarity tier, so condition and variant matter more than raw scarcity.
Which versions of Professor Cozmo's Discovery are there?
TCGplayer tracks 2 printings: Reverse Holofoil ($7.02), Normal ($0.52). Prices differ between variants, so always confirm which one you own or are buying.
Where is Professor Cozmo's Discovery sold?
The main marketplaces are TCGplayer (USD), Cardmarket (EUR) and eBay. Current TCGplayer market is $7.02. When selling, compare net proceeds after fees — eBay and TCGplayer typically charge 9–13%, while direct sales carry lower or no fees.
What affects the price of Professor Cozmo's Discovery?
Four factors dominate: the Uncommon rarity tier, the classic-era EX set pedigree, playability (Trainer), and condition. Artwork by Ken Sugimori also matters to collector demand.
Other Professor Cozmo's Discovery cards
Professor Cozmo's Discovery appears in multiple sets — compare market values.
