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PSA 10: PriceCharting · last PSA 10 sale $4850.00 on Aug 29, 2026 · checked Oct 27, 2026
PSA 9: Median of 1 PSA 9 sale in the last 90 days, latest 2026-10-12. Grade 9 guide (all graders): $107.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Seaking (Ruby & Sapphire #21) at $27.01 market price (TCGplayer market). Its Delta multiple is 91.0x.
A PSA 10 Seaking (Ruby & Sapphire #21) is currently shown at $2,457. GemDelta labels this as a PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 8.22% gem rate for Seaking (Ruby & Sapphire #21), with 6 PSA 10 copies out of 73 total PSA grades and a 91.0x Delta. That describes the grading profile; it is not financial advice.
The Reverse Holo version of Seaking (Ruby & Sapphire #21) is shown at $27.01 market price. That value is for this stored card variant, not the base printing.
| Date | Listing | Sale |
|---|---|---|
| Aug 29, 2026 | 2003 Pokemon Ruby & Sapphire Seaking Reverse Foil 21/109 PSA 10 Gem Mint 21/109 | $4850.00 |