Prices updated 8/21/2026
Professor Cozmo's Discovery — PSA 9
Deoxys · #90
Set
Deoxys
Series
EX
Rarity
Uncommon
Number
90
Supertype
Trainer
Artist
Ken Sugimori
Subtypes
Supporter
Prices & Marketplace
PSA 9 · cheapest right now
live eBay asks$150
cheapest of 2 PSA 9 listings for Professor Cozmo's Discovery
See PSA 9 listings on eBay →Asking prices, not sold prices. Condition is settled by the grade, but always check the listing.
TCGPlayer (NM market)
referenceNormal
low $0.12$0.55
Reverse Holofoil
low $5.00$7.35
Buy on eBay
active asks · 4d agoeBayPSA 10
Lowest $350
1 active listing
eBayPSA 9
Lowest $150· Median $1,000
2 active listings
eBayCGC 10
Lowest $20.00· Median $190
2 active listings
eBayOther Graded
Lowest $90.00
1 active listing
eBayRaw / Ungraded
Lowest $0.91· Median $2.00
146 active listings·65% above market
Recent sales
by gradeReal sold prices — what buyers actually paid, not an estimate.
Sold-price data from Silph Co Analytics. Outliers excluded.
Price History
4 price points+66.7% (+$0.22)
Apr 5$0.33 – $0.55Aug 21
Listings by grade
The cheapest copy listed on eBay at each grade right now — what the slab is worth paying for.
| Grade | Lowest ask | Listed | |
|---|---|---|---|
| PSA 10 | $350 | 1 | Listings → |
| PSA 9 | $150 | 2 | Listings → |
| CGC 9.5+ | $20.00 | 2 | Listings → |
| Raw / Ungraded | $0.91 | 146 | Listings → |
These are current asking prices, not sold prices — a grade with one optimistic listing can look far pricier than it trades for. Recent sold comps are below.
