What is the starting resale value for this Blastoise GX Promo?

The ungraded version of Blastoise GX [Jumbo] is currently valued at $12.

How much is a graded PSA 10 copy worth?

A PSA 10 graded copy of this Pokémon Promo is selling for $296.

Is the value difference between ungraded and graded significant?

Yes, the difference is substantial, with a PSA 10 grading bringing the value to $296 compared to $12 ungraded.

Blastoise GX [Jumbo] #SM189 — Pokémon Promo Card Value

Name: Blastoise GX [Jumbo] #SM189 — Pokémon Promo Card Value
Brand: Pokémon

Pokémon Promo

What the Blastoise GX [Jumbo] #SM189 card from Pokémon Promo is worth — ungraded and graded (PSA 10).

Blastoise GX [Jumbo] #SM189 value — Ungraded $12 · Grade 9 $165 · PSA 10 $296. Prices updated July 2026.

Set · Pokémon PromoGame · Pokémon

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↗ Rising · +16%

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Value by grade

$12

Ungraded

13.8×

$165

Grade 9

24.7×

$296

PSA 10

Real sold prices per grade — the PSA 10 premium on this card is 24.7× raw.

Complete-in-box price history

Monthly CIB value, based on sold comps.

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Which version do you have?

To simply own Blastoise GX #SM189, purchase the Standard version for $20. The Jumbo version at $12 offers no tangible difference in the card itself, making it the cheaper option if you only want the card. Since the versions are identical in content, buyers should save their money and choose the Jumbo version for the lowest cost.

VersionUsedNewBuy

StandardBlastoise GX #SM189 — Pokémon Promo Card Value$19.99$350eBay ↗

Jumbo— this pageBlastoise GX [Jumbo] #SM189 — Pokémon Promo Card Value$11.99$295.99eBay ↗

JunkPal AI· resale insightanalyzing sold comps…

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Price data verified against · 1

PriceCharting — Blastoise GX [Jumbo] #SM189 (Pokémon Promo)$11.99

Item details

Brand: Pokémon
Set: Pokémon Promo
Game: Pokémon

Blastoise GX [Jumbo] #SM189 (Pokémon Promo) card value

An ungraded Blastoise GX [Jumbo] #SM189 from Pokémon Promo averages around $12. A Grade 9 copy runs about $165, and a PSA 10 gem-mint commands $296.

What drives the price

Centering, corners, edges, and surface decide a card's grade — and the grade decides the price. The jump from raw to PSA 10 can be 5–20×, so condition is everything. Holos, first editions, and shadowless prints carry the biggest premiums.

Price guide

Sold values by grade vs. what sellers ask today

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Condition	Value	Based on
Ungraded	$12	eBay sold comps
Grade 9	$165	eBay sold comps
PSA 10	$296	eBay sold comps

Frequently asked questions

What is the starting resale value for this Blastoise GX Promo?: The ungraded version of Blastoise GX [Jumbo] is currently valued at $12.
How much is a graded PSA 10 copy worth?: A PSA 10 graded copy of this Pokémon Promo is selling for $296.
Is the value difference between ungraded and graded significant?: Yes, the difference is substantial, with a PSA 10 grading bringing the value to $296 compared to $12 ungraded.