How much is a PSA 10 Professor Cozmo's Discovery [Reverse Holo] #90?

A PSA 10 Professor Cozmo's Discovery [Reverse Holo] #90 from Pokemon Deoxys is currently priced at $144 based on completed sales tracked on PokeInvest.

Is grading Professor Cozmo's Discovery [Reverse Holo] #90 worth it?

With a raw price of $19 and a PSA 10 selling for $144, grading Professor Cozmo's Discovery [Reverse Holo] #90 has a potential gross margin of $125 before PSA fees (from $59.99 a card, more for higher declared values). Use the PokeInvest PSA Calculator for a full ROI breakdown.

PSA 9 vs PSA 10 Professor Cozmo's Discovery [Reverse Holo] #90: what's the price difference?

A PSA 10 Professor Cozmo's Discovery [Reverse Holo] #90 sells for about $144 versus about $40 for a graded 9 (PSA, CGC and BGS 9 sales combined), so the 10 carries a 3.6x premium based on recent sales tracked on PokeInvest.

What's the raw price of Professor Cozmo's Discovery [Reverse Holo] #90?

The raw (ungraded) price of Professor Cozmo's Discovery [Reverse Holo] #90 from Pokemon Deoxys is currently $8, based on live market data tracked daily by PokeInvest.

Home / Deoxys / Professor Cozmo's Discovery [Reverse Holo] #90

Professor Cozmo's Discovery [Reverse Holo] #90

Pokemon Deoxys

Market price

$18.67

4 sales · latest last week

Sales we held out are listed below, not counted here.

4 sold in 15 days · latest last week

$5.99 $31.48

$29.99 last week Professor Cozmo's Discovery · Near Mint · Reverse Holofoil · English $31.48 last week Professor Cozmo's Discovery · Near Mint · Reverse Holofoil · English $5.99 last week Professor Cozmo's Discovery · Lightly Played · Reverse Holofoil · English $7.35 3 weeks ago Professor Cozmo's Discovery · Near Mint · Reverse Holofoil · English

Every sale is a completed listing. Click any line to open it.

Price by grade

1 from real sales · 4 est

Grade	PSA	CGC	BGS	SGC
10	$143.65 est · pop 3	$86.00 est · pop 8	$187.00 est	$86.00 est

Medians of completed sales — click one to see them. Arrows compare the last 90 days with the period before. last sold means one or two sales, so we show the most recent one rather than a median. est is an estimate we have not confirmed. pop is how many exist at that grade. How we price

Grade it? 7% of 44 PSA-graded copies came back a 10. Raw $18.67 → PSA 10 $143.65 est. Expected value after a $60 fee: $-51.47 per copy.

Run the full math → Is yours a 10? Pre-grade it, $3

Sales volume: Average of cards

View eBay Listings Buy on TCGplayer Should I grade it?

Price History

Raw PSA 10

Graded by

PSA

44

graded

6.8%

3 in PSA 10

CGC

32

graded

28.1%

9 at 10 or better

How CGC grades work

CGC grades above 9: Pristine sits above Gem Mint, Perfect above that.

Pristine 10 1 Gem Mint 10 8 9.5 5 9 6

These are two different pools of submissions, so this compares what each grader did, not what either would do with the same card.

Population Distribution

PSA 10 3

PSA 9 29

PSA 8 7

PSA 7 4

PSA 6 1

PSA 5 0

PSA 4 0

PSA 3 0

PSA 2 0

PSA 1 0

CGC Pristine 10 1

CGC Gem Mint 10 8

CGC 9.5 5

CGC 9 6

CGC 8.5 3

CGC 8 1

CGC 7.5 2

CGC 7 1

CGC 5 2

CGC 4 1

CGC 3 1

CGC 2.5 1

32 graded by CGC

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More on this card: Compare graders PSA 10 price & pop Should you grade it? Deoxys PSA population

Professor Cozmo's Discovery [Reverse Holo] #90

Population Distribution

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