Professor Cozmo's Discovery

EX Trainer Kit 2 Plusle · #10/12 · 2006

$0.33
Market price ▲ 0.0% (1Y)
Prices as of Jul 26, 2026
SupporterArt · Ken Sugimori
0%off ATH $0.33 · Jul 2026

Price history

Standard$0.33

Loading chart…

Buy it now on eBay

Loading live listings…

Live from eBay · affiliate links support CardPrice · see recent sold results →

Shop live eBay listings →Recent eBay sold results

Graded values

updated 2026-07-25
Grade 6 est.$0.31
Grade 5 est.$0.26
Grade 4 est.$0.22
Grade 3 est.$0.18
Grade 2 est.$0.15
Grade 1 est.$0.13

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

PSA 10 price history$37.92

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

How much is Professor Cozmo's Discovery #10/12 worth?

Right now (July 26, 2026) the going rate for an ungraded Professor Cozmo's Discovery #10/12 from EX Trainer Kit 2 Plusle is about $0.33.

Grading changes the math on this one: a PSA 10 is valued around $37.92, roughly 114.9x the raw price, while a PSA 9 sits near $12.65.

We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Professor Cozmo's Discovery has moved over time.

Other printings of Professor Cozmo's Discovery 10

Professor Cozmo's Discovery #10 EX Trainer Kit 2: Plusle & Minun
Professor Cozmo's Discovery
EX Trainer Kit 2: Plusle & Minun · #10/12
Professor Cozmo's Discovery #17 Shockwave! Tyranitar ex Constructed Standard Deck (Japanese)
Professor Cozmo's Discovery
Shockwave! Tyranitar ex Constructed Standard Deck (Japanese) · #17/24
Professor Cozmo's Discovery #89 Holon Phantoms
Professor Cozmo's Discovery
Holon Phantoms · #89/110
Professor Cozmo's Discovery #9 Gift Box Mew - Lucario (Mightyena Quarter Deck) (Japanese)
Professor Cozmo's Discovery
Gift Box Mew - Lucario (Mightyena Quarter Deck) (Japanese) · #9/15
Professor Cozmo's Discovery #90 Deoxys
Professor Cozmo's Discovery
Deoxys · #90/107
Professor Cozmo's Discovery #9 Fighting Quick Construction Pack (Japanese)
Professor Cozmo's Discovery
Fighting Quick Construction Pack (Japanese) · #9/15
Professor Cozmo's Discovery #9 Lightning Quick Construction Pack (Japanese)
Professor Cozmo's Discovery
Lightning Quick Construction Pack (Japanese) · #9/15
Professor Cozmo's Discovery #76 Clash of the Blue Sky (Japanese)
Professor Cozmo's Discovery
Clash of the Blue Sky (Japanese) · #76/82
Professor Cozmo's Discovery #14 Deoxys Constructed Starter Deck (Japanese)
Professor Cozmo's Discovery
Deoxys Constructed Starter Deck (Japanese) · #14/15
Professor Cozmo's Discovery #14 Rayquaza Constructed Starter Deck (Japanese)
Professor Cozmo's Discovery
Rayquaza Constructed Starter Deck (Japanese) · #14/15