Home / Japanese Mysterious Mountains / Gyarados #28
Gyarados #28 Pokémon Card from Pokemon Japanese Mysterious Mountains Set

Gyarados #28

Gyarados #28 (Japanese Mysterious Mountains) sells for about $547.50 ungraded and $7,250 in PSA 10 (4 sales, latest Nov 5). PSA has graded 299 copies, 94 of them 10s. Prices are medians of completed sales, updated November 14, 2026.

Pokemon Japanese Mysterious Mountains
Ungraded
$547.50
10 sales
Sales we held out are listed below, not counted here.
10 sold in 60 days · latest 3 weeks ago
$228.00 $1,029
$515.00 3 weeks ago WOTC Pokémon TCG Gyarados 028/088 Mysterious Mountains Holo Rare 90 HP JP Japanese 028/088 $424.99 4 weeks ago The Pokémon Company Gyarados 028/088 Mysterious Mountains JP Holo Rare HP90 (HP) Japanese 028/088 $580.00 6 weeks ago Gyarados 028/088 Holo E-Series Mysterious Mountains Skyridge Japanese Pokemon LP Japanese 028/088 $500.00 6 weeks ago Pokémon Gyarados E-Series Mysterious Mountains Unlimited 028/088 Japanese Japanese 028/088 $659.99 7 weeks ago Gyarados 028/088 Mysterious Mountains 2002 Holo e Series Japanese Pokemon Card Japanese 028/088 $660.00 8 weeks ago [LP] Gyarados 028/088 Mysterious Mountains Holo Old Japanese Pokemon Card 2002 Japanese 028/088 $1,029 2 months ago Pokemon Card Gyarados E-Series Mysterious Mountains Skyridge 028/088 Japanese 028/088 $495.00 2 months ago Gyarados Mysterious Mountains Holo 028/088 Unlimited MP Japanese Pokemon Card Japanese 028/088 $228.00 2 months ago Gyarados 027/088 E Series e5 Mysterious Mountains 1st Japanese Pokemon Card Japanese 028/088 $860.00 2 months ago Gyarados 2002 Holo Japanese Pokemon Mysterious Mountains 028/088 Unlimited 028/088

2 sales well outside the rest ($1,029, $228.00). A median is barely moved by them, which is why it is the number shown.

Also held for this card: 4 PSA 10, 1 PSA 6, 1 PSA 9. Priced separately, never mixed into this median.

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

Price by grade
5 from real sales · 1 est
Grade PSA CGC BGS SGC
10 Buy ›
—
 Buy ›
$4,425
est
9 Buy › Buy ›
—
—
8 Buy ›
—
—
—
7 Buy ›
—
—
—
6.5
—
 Buy › Buy ›
—
6 Buy ›
—
—
—
5 Buy ›
—
—
—
1 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? 31% of 299 PSA-graded copies came back a 10. Raw $547.50 → PSA 10 $7,250. Expected value after PSA's fee ($60, or $599 if it gems): +$2,197 per copy.
Run the full math → Is yours a 10? Pre-grade it, $3 or we grade it for you, $27
Sales volume: Top 40% of cards
Get an email when the price moves
One email when it hits your price, with the cheapest copy on eBay. No account needed.
$
Buy on DoubleHolo
Buy on eBay Buy on TCGplayer Should I grade it?
Price History
Raw PSA 10
Graded by
PSA
299
graded
31.4%
94 in PSA 10
CGC
138
graded
9.4%
13 at 10 or better

PSA has given this card a ten 3.3× as often — 31.4% against 9.4%.

How CGC grades work
CGC grades above 9: Pristine sits above Gem Mint, Perfect above that.
Gem Mint 10 13 9.5 2 9 15

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 94
PSA 9 90
PSA 8 54
PSA 7 23
PSA 6 17
PSA 5 6
PSA 4 3
PSA 3 2
PSA 2 2
PSA 1 8

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

Affiliate disclosure: as an eBay Partner Network affiliate, PokeInvest earns from qualifying purchases made through eBay links on this page. The Double Holo button is a paid sponsorship.

eBay Listings BETA

Loading eBay listings...

Buy on DoubleHolo
View More on eBay

Similar Cards

Gengar [1st Edition] #44 from Pokemon Japanese Mysterious Mountains set
Gengar [1st Edition] #44
Same Set
$1270.49
Booster Pack from Pokemon Japanese Mysterious Mountains set
Booster Pack
Same Set
$2092.19
More on this card: Compare graders PSA 10 price & pop Should you grade it? Every Gyarados card Japanese Mysterious Mountains PSA population