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PSA 10: PriceCharting · last PSA 10 sale $4000.00 on Aug 24, 2026 · checked Oct 26, 2026
PSA 9: Median of 6 PSA 9 sales in the last 90 days, latest 2026-10-24. Grade 9 guide (all graders): $400.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Blastoise (Boundaries Crossed #31) at $5.27 market price (TCGplayer market). Its Delta multiple is 403x.
A PSA 10 Blastoise (Boundaries Crossed #31) is currently shown at $2,125. GemDelta labels this as a PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 7.28% gem rate for Blastoise (Boundaries Crossed #31), with 15 PSA 10 copies out of 206 total PSA grades and a 403x Delta. That describes the grading profile; it is not financial advice.
| Date | Listing | Sale |
|---|---|---|
| Aug 24, 2026 | Pokemon Blastoise Boundaries Crossed Holo Rare #31 PSA 10 Gem Mint | $4000.00 |