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Gastrodon East Sea.

Rising Rivals · 21/111 · Rare
updated Aug 14, 2026
Gastrodon East Sea 21/111 from Rising Rivals
Raw market value · Reverse Holofoil
$4.84.
near mint, ungraded7 day – · 30 day +3.9%
Price by printing
Reverse Holofoilthis page$4.84
Normal$2.18
Check live eBay pricesPrices above are what copies actually sold for, not what sellers are asking.

Price history and graded value

monthly median sold price
$1$3.2$10$32$100SEP '21MAY '23DEC '24AUG '26

Grading odds

PSA has graded 3 copies. Where they landed:

PSA 100.0%
PSA 9100.0%
PSA 80.0%
PSA 70.0%
6 or lower0.0%

3 of the 3 grades priced above had no sales at that grade, so the figure is modelled from the grades that did rather than observed.

✓ Worth grading
$95.40
top slab, best case

A PSA 10 sells for $95.40 against $3.86 raw plus a $25 fee. Without a population report we cannot weight that by the odds, so treat it as the best case: most submissions come back below the top grade.

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The same card in other sets

Secret Wonders8/132$13.76

What moves the price of this card

The Gastrodon East Sea on this page is the Reverse Holofoil printing from Rising Rivals, and it trades at $4.84 in near mint condition. The other 1 printing of the same card sits lower, which is normal: the scarcer print run always carries the premium.

Condition does most of the work below the surface. A copy with soft corners or a print line off centre trades well under the market price shown here, and a copy clean enough to grade trades well above it, which is why the PSA 10 sits at $95.40. Before you value your own copy, look at the corners under a light and check the centring on the back, where most cards give themselves away.