Blastoise-EX #XY30 PSA 10 Price
Market value · PSA 10
PSA 10 slabs for sale right now
Cert-verified PSA 10 price history
Latest $310 (Jun 2026, 2 sales) · ▲ 1248% since Mar 2018
Every point is the median of real cert-verified PSA 10 sales — 49 sales PSA tied to specific graded slabs, each with a public cert number you can check on psacard.com. Not a scraped price index.
Why $295? Cert-verified PSA 10 sales
These are the actual sales behind the price above — each one tied by PSA to a specific graded slab, not an estimate.
Sale mix: 1 auction, 3 accepted offers, 2 fixed-price. A PSA 10 copy trades roughly every 41 days (median gap between cert-verified sales).
PSA population
PSA has graded 121 copies of Blastoise-EX at PSA 10 out of 625 total PSA graded — a 19% gem (PSA 10) rate.
Is grading worth it — at the real gem rate?
Buying raw at $11 and grading: a 10 nets ~$295, a 9 nets ~$36. At this card's real 19% gem rate, the expected outcome is +$49 after a ~$25 grading fee — assuming a clean copy that grades 9 or 10. Below-9 outcomes make it worse; a sharp eye for centering and surface is what beats these odds.
Frequently asked questions
How much is Blastoise-EX #XY30 worth in PSA 10?
A PSA 10 Blastoise-EX (XY Black Star Promos #XY30) is worth about $295, typically 251–295, based on recent real sold prices.
Is it worth grading Blastoise-EX?
A PSA 10 sells for roughly 27× the raw price ($295 vs $11) — worth weighing against grading fees and the odds of a 10.
How many Blastoise-EX PSA 10 exist?
PSA has graded 121 copies of Blastoise-EX at PSA 10 out of 625 total PSA graded.
We'll email you when this card's value crosses your target.
Other cards in XY Black Star Promos
Cite this page
Free to use with attribution to CardTrack.
Blastoise-EX (XY Black Star Promos #XY30) PSA 10 — Pokémon market value $295. Source: CardTrack, https://cardtrack.com/pokemon/card/xy-black-star-promos/blastoise-ex-xy30/psa-10