What is the current going rate for an ungraded Slowking #55?

An ungraded Slowking #55 from the Lost Thunder set is currently valued around $3.

How much more is a PSA 10 compared to a Grade 9?

A PSA 10 sells for $45, which is significantly more than the $20 price point for a Grade 9.

Where can I find this Pokémon card?

This card is from the Pokémon Lost Thunder set and is available on our resale marketplace.

Slowking #55 — Pokémon Lost Thunder Card Value

Name: Slowking #55 — Pokémon Lost Thunder Card Value
Brand: Pokémon

Pokémon Lost Thunder

What the Slowking #55 card from Pokémon Lost Thunder is worth — ungraded and graded (PSA 10).

Slowking #55 value — Ungraded $3 · Grade 9 $20 · PSA 10 $45. Prices updated July 2026.

Set · Pokémon Lost ThunderGame · Pokémon

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↗ Rising · +45%

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Value by grade

Ungraded

6.7×

$20

Grade 9

15.0×

$45

PSA 10

Real sold prices per grade — the PSA 10 premium on this card is 15.0× raw.

Complete-in-box price history

Monthly CIB value, based on sold comps.

See the actual sold listings on eBay ↗

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Which version do you have?

If you just want to own Slowking #55, grab the Standard version for $3. The Reverse Holo version at $9 offers a visual upgrade, making it more appealing to collectors seeking a slight premium. Buyers prioritizing budget should stick to the Standard. Those willing to spend more should opt for the Reverse Holo to acquire a more sought-after variant.

VersionUsedNewBuy

Reverse HoloSlowking [Reverse Holo] #55 — Pokémon Lost Thunder Card Value$8.58$65.33eBay ↗

Standard— this pageSlowking #55 — Pokémon Lost Thunder Card Value$3$45eBay ↗

JunkPal AI· resale insightanalyzing sold comps…

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Price data verified against · 1

PriceCharting — Slowking #55 (Pokémon Lost Thunder)$3

Item details

Brand: Pokémon
Set: Pokémon Lost Thunder
Game: Pokémon

Slowking #55 (Pokémon Lost Thunder) card value

An ungraded Slowking #55 from Pokémon Lost Thunder averages around $3. A Grade 9 copy runs about $20, and a PSA 10 gem-mint commands $45.

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	$3	eBay sold comps
Grade 9	$20	eBay sold comps
PSA 10	$45	eBay sold comps

Frequently asked questions

What is the current going rate for an ungraded Slowking #55?: An ungraded Slowking #55 from the Lost Thunder set is currently valued around $3.
How much more is a PSA 10 compared to a Grade 9?: A PSA 10 sells for $45, which is significantly more than the $20 price point for a Grade 9.
Where can I find this Pokémon card?: This card is from the Pokémon Lost Thunder set and is available on our resale marketplace.