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PSA 10: PriceCharting · last PSA 10 sale $150.00 on Jun 18, 2026 · checked Oct 26, 2026
Grade 9: No recent PSA 9 sales. PriceCharting Grade 9 guide, mixing PSA, CGC, BGS, SGC and TAG 9s.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Seaking (Prismatic Evolutions #21) at $3.20 market price (TCGplayer market). Its Delta multiple is 33.9x.
A PSA 10 Seaking (Prismatic Evolutions #21) is currently shown at $109. GemDelta labels this as a PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 29.8% gem rate for Seaking (Prismatic Evolutions #21), with 67 PSA 10 copies out of 225 total PSA grades and a 33.9x Delta. That describes the grading profile; it is not financial advice.
| Date | Listing | Sale |
|---|---|---|
| Jun 18, 2026 | POKEMON 2025 Prismatic Evolutions Masterball Holo SEAKING #021 PSA 10 Gem Mint #2025 | $150.00 |
| May 11, 2026 | POKEMON 2025 Prismatic Evolutions Masterball Holo SEAKING #021 PSA 10 Gem Mint | $94.99 |
| May 8, 2026 | POKEMON 2025 Prismatic Evolutions Masterball Holo SEAKING #021 PSA 10 Gem Mint | $94.99 |