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Professor Cozmo's Discovery
Uncommon · #89/110
Professor Cozmo's Discovery #89/110 (EX Holon Phantoms) is worth about $7.02 today, the Near Mint market price from TCGplayer sales as of 2026-10-03.
price trend and all-time high: more ↓less ↑
Professor Cozmo's Discovery #89/110 is holding steady: $7.02 today, flat over 30 days and 12% below its all-time high of $7.95 (2025-11-25). TCGplayer market price as of 2026-10-03, tracked daily since 2024-02-08. chart →
illustrated by Ken Sugimori
Price data for your app or store: API and daily history since 2024 · CSV download
LOADING TAPE
WORTH GRADING?
WHERE TO BUY AND SELL
Reverse Holofoil · no eBay scan yetBuy-side estimate
$7.02
THINa patient buyer pays about $7.02 delivered, from live asks, not sales
show the work →
TCGplayer only, no eBay scan yet
| TCGplayer market | $7.02 | verify ↗ |
| TCGplayer lowest ask | $2.43 |
Single source: TCGplayer market (no usable eBay asks in the last scan).
The verdict · premium
Cards 3-15% off their high after a flat month were higher 90 days later 70% of the time in our archive since 2024 (50,201 cases).
The median move, the verdict and the grade-worthy math: try Premium free for 7 days →GAME DATA[ + ] SHOW[ × ] HIDE
- CARD TYPE
- Supporter
- CARD TEXT
- You can play only one supporter card each turn. When you play this card, put it next to your Active Pokemon. When your turn ends, discard this card. Flip a coin. If heads, draw the bottom 3 cards of your deck. If tails, draw the top 2 cards of your deck.
MORE BY KEN SUGIMORI
FULL CATALOG →
MORE FROM EX HOLON PHANTOMS
FULL SET →
PRICE FAQ
What would a card shop pay for Professor Cozmo's Discovery?
+×
Shops and show vendors commonly offer about 70% of market in cash and 80% in store credit. At today's $7.02 market price that is roughly $4.91 cash or $5.62 trade for a near-mint copy. Selling it yourself on TCGplayer or eBay nets more after fees; see the seller-net answer below.
What is Professor Cozmo's Discovery (EX Holon Phantoms) worth today?
+×
Professor Cozmo's Discovery [Reverse Holofoil] has a TCGplayer market price of $7.02 as of 2026-10-02. Across 2 tracked variants, latest prices range from $0.50 to $7.02.
Is Professor Cozmo's Discovery going up or down in price?
+×
Professor Cozmo's Discovery #89/110 is holding steady: $7.02 today, flat over 30 days and 12% below its all-time high of $7.95 (2025-11-25). TCGplayer market price as of 2026-10-03, tracked daily since 2024-02-08.
What is the all-time high price for Professor Cozmo's Discovery?
+×
The Near Mint price, the one quoted at the top of this page, peaked at $7.95 (2025-11-25). In TickerMint's daily data (since February 2024), the TCGplayer market price for Professor Cozmo's Discovery [Reverse Holofoil] (all conditions) peaked at $7.95 (2025-11-02) and bottomed at $1.13 (2025-04-13).
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