Blastoise-GX #SM189 PSA 9 Price
Market value · PSA 9
PSA 9 sits 89% below PSA 10 — a wide gap, so PSA 9 can look relatively cheap if you'll hold.
PSA 9 slabs for sale right now
Cert-verified PSA 9 price history
Latest $50 (Aug 2026, 2 sales) · ▲ 39% since Dec 2025
Every point is the median of real cert-verified PSA 9 sales — 42 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 $40? Cert-verified PSA 9 sales
These are the actual sales behind the price above — each one tied by PSA to a specific graded slab, not an estimate.
3 of 6 verified sales were competitive auctions — this price reflects real bidding, not asking prices. A PSA 9 copy trades roughly every 3 days (median gap between cert-verified sales).
Frequently asked questions
How much is Blastoise-GX #SM189 worth in PSA 9?
A PSA 9 Blastoise-GX (SM Black Star Promos #SM189) is worth about $40, typically 34–46, based on recent real sold prices.
PSA 9 vs PSA 10 — how much cheaper is PSA 9?
PSA 9 trades about 89% below PSA 10 for this card ($40 vs $380).
We'll email you when this card's value crosses your target.
Other cards in SM Black Star Promos
Cite this page
Free to use with attribution to CardTrack.
Blastoise-GX (SM Black Star Promos #SM189) PSA 9 — Pokémon market value $40. Source: CardTrack, https://cardtrack.com/pokemon/card/sm-black-star-promos/blastoise-gx-sm189/psa-9