How much is a PSA 10 Gyarados #27?

A PSA 10 Gyarados #27 from Pokemon Japanese Mysterious Mountains is currently priced at $940 based on completed sales tracked on PokeInvest.

Is grading Gyarados #27 worth it?

With a raw price of $242 and a PSA 10 selling for $940, grading Gyarados #27 has a potential gross margin of $698 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 Gyarados #27: what's the price difference?

A PSA 10 Gyarados #27 sells for about $940 versus about $315 for a graded 9 (PSA, CGC and BGS 9 sales combined), so the 10 carries a 3.0x premium based on recent sales tracked on PokeInvest.

What's the raw price of Gyarados #27?

The raw (ungraded) price of Gyarados #27 from Pokemon Japanese Mysterious Mountains is currently $148, based on live market data tracked daily by PokeInvest.

Home / Japanese Mysterious Mountains / Gyarados #27

Gyarados #27

Gyarados #27 (Japanese Mysterious Mountains) sells for about $242.50 ungraded and $940 in PSA 10. PSA has graded 61 copies, 27 of them 10s. Prices are medians of completed sales, updated November 14, 2026.

Pokemon Japanese Mysterious Mountains

Ungraded

2 recent sales

2 sales

2 sold in 4 days · latest 4 weeks ago

$150.00 $242.50

$242.50 4 weeks ago [NM] Gyarados Pokemon Card Japanese 027/088 Mysterious Mountains E-Series 3Oc51 Japanese 027/088 $150.00 5 weeks ago Pokemon TCG Mysterious Mountains Gyarados #027/088 Rare Japanese NM- Japanese 027/088

Also held for this card: 2 CGC 9, 1 PSA 10, 2 PSA 9. Priced separately, never mixed into this median.

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

Price by grade

2 from real sales · 2 est

Ungraded

Estimated market value

$242.50

Grade	PSA	CGC	BGS	SGC
10	Buy ›	—	$748.00 est	$345.00 est
9	Buy ›	Buy ›	—	—
8	Buy ›	Buy ›	—	—
5	Buy ›	—	—	—

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? 44% of 61 PSA-graded copies came back a 10. Raw $242.50 → PSA 10 $940.00. Expected value after PSA's fee ($60): +$267.76 per copy.

We grade it for you, $27 a card → Mail it to us. CGC Authorized Dealer: we check it, submit it and ship the slab back insured. No account, no forms.

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

Sales volume: Average of cards

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Price History

Raw PSA 10

Graded by

PSA

61

graded

44.3%

27 in PSA 10

CGC

6

graded

0

0 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.

9 3

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 27

PSA 9 16

PSA 8 7

PSA 7 6

PSA 6 1

PSA 5 3

PSA 4 0

PSA 3 1

PSA 2 0

PSA 1 0

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

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