How much is a PSA 10 Seaking #21?

A PSA 10 Seaking #21 from Pokemon EX Battle Stadium is currently priced at $72 based on completed sales tracked on PokeInvest.

Is grading Seaking #21 worth it?

With a raw price of $1 and a PSA 10 selling for $72, grading Seaking #21 has a potential gross margin of $71 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 Seaking #21: what's the price difference?

A PSA 10 Seaking #21 sells for about $72 versus about $23 for a graded 9 (PSA, CGC and BGS 9 sales combined), so the 10 carries a 3.1x premium based on recent sales tracked on PokeInvest.

What's the raw price of Seaking #21?

The raw (ungraded) price of Seaking #21 from Pokemon EX Battle Stadium is currently $1, based on live market data tracked daily by PokeInvest.

Home / EX Battle Stadium / Seaking #21

Seaking #21

Seaking #21 (EX Battle Stadium) sells for about $1.49 ungraded and $72 in PSA 10. Prices are medians of completed sales, updated October 31, 2026.

Pokemon EX Battle Stadium

Raw

$1.49

Grade 9

$23.29

Grade 9.5

$26.00

PSA 10

$72.04

PSA 10 sells for 3.1× a graded 9 ($72.04 vs $23.29).

Sales volume: Average of cards

10s at other graders

BGS 10

$94.00

CGC 10

$29.00

SGC 10

$43.00

Prices from recent eBay sales · updated today

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Price History

Raw PSA 10

Not graded by PSA as of October 2026 — no copies of this card have been submitted, so there is no population to report.

Graded by

PSA

graded

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

CGC

graded

2 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.

Gem Mint 10 2 9 2

Population Distribution

No PSA population data available.

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