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PSA 10: Median of 5 sales, last 45 days · newest Oct 22, 2026 · checked Oct 25, 2026
PSA 9: Median of 2 PSA 9 sales in the last 90 days, latest 2026-10-12. Grade 9 guide (all graders): $43.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Blastoise EX (Promo #XY30) at $9.71 market price (TCGplayer market). Its Delta multiple is 139x.
A PSA 10 Blastoise EX (Promo #XY30) is currently shown at $1,350, the median of 5 PSA 10 sales in the last 45 days (newest Oct 22, 2026).
GemDelta records a 18.9% gem rate for Blastoise EX (Promo #XY30), with 122 PSA 10 copies out of 646 total PSA grades and a 139x Delta. That describes the grading profile; it is not financial advice.
| Date | Listing | Sale |
|---|---|---|
| Oct 22, 2026 | Pokemon 2014 Blastoise EX XY30 Black Star Promo Holo PSA 10! #XY30 | $1849.00 |
| Oct 20, 2026 | 2014 Pokemon XY30 Blastoise EX Black Star Promo Holo PSA 10 GEM MINT #XY30 | $1499.99 |
| Oct 17, 2026 | 💎POP 123💦 PSA 10 BLASTOISE EX - BLACK STAR PROMO HOLO - 2014 POKEMON XY #XY30 #XY30 | $693.02 |
| Oct 4, 2026 | Pokemon Blastoise EX Black Star Promo XY30 PSA 10 Gem Mint #XY30 | $1350.00 |
| Sep 24, 2026 | Pokemon Graded: Blastoise EX #XY30 Black Star Promo (2014) PSA 10 | $1034.99 |
| Sep 23, 2026 | WED 23/09 Blastoise EX Xy30 Black Star Promo Pokemon PSA 10 #XY30 | $257.77 |
| Jun 7, 2026 | 2014 Pokemon Xy Blastoise Ex Holo XY30 Black Star Promo - PSA 10 #xy30 | $350.00 |