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Seaking [Reverse Holo] #21 Pokémon card from Ruby & Sapphire

Seaking [Reverse Holo] 21/109

Ruby & Sapphire

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Seaking [Reverse Holo] #21 from Ruby & Sapphire currently trades at $8.91 raw, with PSA 10 copies reaching $2449.57 — a 274.9x grade premium. Price is up 11.4% in the last 30 days, though the 90-day trend tells a different story at -10.9% — worth watching for a clearer direction.
Current Prices (USD)
Ungraded
$8.91
PSA 7
$21.87
PSA 8
$25.63
PSA 9
$65.99
PSA 10
$2,449.57
ACE 10
—
BGS 10 Black
$15,920.00
CGC 10 Pristine
$2,646.00
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Raw Price Trend
7d
+2.6%
30d
+11.4%
90d
-10.9%
180d
+25.3%
1y
+68.1%
2y
+75.0%
5y
+115.7%

Quick price facts

Seaking [Reverse Holo] 21/109 from Ruby & Sapphire has a current raw market value of $8.91.

Current raw value
$8.91
PSA 9 value
$65.99
PSA 10 value
$2,450
Raw value 7d
+2.6%
Raw value 30d
+11.4%
PSA 10 premium vs raw
274.9× raw
View all cards from Ruby & Sapphire →
Collector Intel
274.9x
Raw → PSA 10
High-risk grade
7.4x
Raw → PSA 9
Grade multiplier
+11.4%
30d Price Move
Rising
Steady
Price Stability
2.6% swing this week

Calculated from price history, PSA population data, and market trends. Not financial advice.

Grading Calculator

Based on PSA Standard tier (~$25 USD). Assumes a perfect PSA 10 result — actual outcome depends on card condition.

⚠️ High-variance grade. PSA 10 is 275x the raw price. The expected value accounts for the realistic probability.
$9
Buy Raw
~$25
Grading Fee
PSA Standard
$2450
PSA 10 Value
+$2416
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$667.4x raw
PSA 10$2450274.9x raw

Frequently asked questions

How much is Seaking [Reverse Holo] #21 from Ruby & Sapphire worth?+
Seaking [Reverse Holo] #21 from Ruby & Sapphire is currently worth Raw: $8.91, PSA 9: $65.99, PSA 10: $2.4k based on recent sold listings. Prices update daily from real eBay sales.
Is Seaking [Reverse Holo] #21 worth grading?+
The PSA 10 price of $2.4k is 274.9× the raw price of $8.91. After a ~$25 grading fee, a PSA 10 result would net approximately $2.4k — assuming the card grades a 10.
Where do PokePrices Seaking [Reverse Holo] #21 prices come from?+
Prices are tracked nightly from real sold listings on PriceCharting (raw, PSA 9 and PSA 10). PSA population data is sourced from PSA's public reports. We do not use asking prices — only confirmed sales.

Recent verified sales

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  • 7 Sep 2026Raw
    ebaycompleted-auctions-usedunknown
    $14.99
  • 4 Sep 2026Raw
    ebaycompleted-auctions-usedlightly played
    $9.99
  • 2 Sep 2026Raw
    ebaycompleted-auctions-usedunknown
    $5.25
  • 31 Aug 2026Raw
    ebaycompleted-auctions-usedunknown
    $7.00
  • 29 Aug 2026PSA PSA 10
    ebaycompleted-auctions-manual-onlyunknown
    $4,850.00