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Professor Cozmo's Discovery
Common · #10/12
Professor Cozmo's Discovery #10/12 (EX Trainer Kit 2: Plusle & Minun) is worth about $0.26 today, the TCGplayer market price for any condition as of 2026-10-02, up 4% over 30 days.
price trend and all-time high: more ↓less ↑
Professor Cozmo's Discovery #10/12 is trending up: $0.26 today, up 4% in 30 days and 70% below its all-time high of $0.86 (2025-01-19), but 1.7x its low of $0.15 (2026-02-01). TCGplayer market price as of 2026-10-02, tracked daily since 2024-02-08. chart →
illustrated by Ken Sugimori
Price data for your app or store: API and daily history since 2024 ·
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WORTH GRADING?
WHERE TO BUY AND SELL
Normal · no eBay scan yetBuy-side estimate
$0.26
THINa patient buyer pays about $0.26 delivered, from live asks, not sales
show the work →
TCGplayer only, no eBay scan yet
| TCGplayer market | $0.26 | verify ↗ |
| TCGplayer lowest ask | $0.10 |
Single source: TCGplayer market (no usable eBay asks in the last scan).
The verdict · premium
Cards >40% off their high after a flat month were higher 90 days later 68% of the time in our archive since 2024 (5,811 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 TRAINER KIT 2: PLUSLE & MINUN
FULL SET →
PRICE FAQ
What is Professor Cozmo's Discovery (EX Trainer Kit 2: Plusle & Minun) worth today?
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Professor Cozmo's Discovery [Normal] has a TCGplayer market price of $0.26 as of 2026-10-02.
Is Professor Cozmo's Discovery going up or down in price?
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Professor Cozmo's Discovery #10/12 is trending up: $0.26 today, up 4% in 30 days and 70% below its all-time high of $0.86 (2025-01-19), but 1.7x its low of $0.15 (2026-02-01). TCGplayer market price as of 2026-10-02, tracked daily since 2024-02-08. Other windows: down 3.7% over 7 days, up 13.0% over 90 days, down 52.7% over a year.
What is the all-time high price for Professor Cozmo's Discovery?
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In TickerMint's daily data (since February 2024), the TCGplayer market price for Professor Cozmo's Discovery [Normal] (all conditions) peaked at $0.86 (2025-01-19) and bottomed at $0.15 (2026-02-01).
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