How much is a PSA 10 Corphish #18?

A PSA 10 Corphish #18 from Pokemon Japanese Rulers of the Heavens is currently priced at $75 based on completed sales tracked on PokeInvest.

Is grading Corphish #18 worth it?

With a raw price of $2 and a PSA 10 selling for $75, grading Corphish #18 has a potential gross margin of $73 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 Corphish #18: what's the price difference?

A PSA 10 Corphish #18 sells for about $75 versus about $33 for a graded 9 (PSA, CGC and BGS 9 sales combined), so the 10 carries a 2.3x premium based on recent sales tracked on PokeInvest.

What's the raw price of Corphish #18?

The raw (ungraded) price of Corphish #18 from Pokemon Japanese Rulers of the Heavens is currently $2, based on live market data tracked daily by PokeInvest.

Home / Japanese Rulers of the Heavens / Corphish #18

Corphish #18

Corphish #18 (Japanese Rulers of the Heavens) sells for about $2.34 ungraded and $75 in PSA 10. Prices are medians of completed sales, updated November 14, 2026.

Pokemon Japanese Rulers of the Heavens

Recent sales

3 recent sales

3 sales · latest 5 weeks ago

3 sold in 38 days · latest 5 weeks ago

$1.25 $2.99

$1.25 5 weeks ago Corphish · Moderately Played · Unlimited · Japanese $2.79 2 months ago Corphish · Lightly Played · Unlimited · Japanese $2.99 2 months ago Corphish · Moderately Played · Unlimited · Japanese

Too few recent sales to price from, so the figure above is an estimate.

Raw

$2.34

▲ $0.20 30d

Grade 9

$32.68

▲ $2.04 30d

3 PSA 9s

Grade 9.5

$36.00

PSA 10

$75.00

4 pop

PSA 10 sells for 2.3× a graded 9 ($75.00 vs $32.68).

Sales volume: Average of cards

10s at other graders

BGS 10

$98.00

CGC 10

$30.00

SGC 10

$45.00

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Prices from recent eBay sales · updated yesterday

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Price History

Raw PSA 10

Graded by

PSA

graded

4 in PSA 10 — too few graded to quote a rate

CGC

graded

3 at 10 or better — too few graded to quote a rate

How CGC grades work

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

Pristine 10 1 Gem Mint 10 2

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 4

PSA 9 3

PSA 8 1

PSA 7 0

PSA 6 0

PSA 5 0

PSA 4 0

PSA 3 0

PSA 2 0

PSA 1 0

Need these prices and population counts in a spreadsheet or app? PokeInvest Data API

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