What is the current value of an ungraded Slakoth [Reverse Holo] #99?

Ungraded copies of Slakoth [Reverse Holo] #99 from the Pokémon Mysterious Treasures set are currently valued around $7.

How much is a PSA 10 graded version worth?

A PSA 10 graded Slakoth [Reverse Holo] #99 can sell for $176.

Is the value difference between ungraded and graded significant?

Yes, the value difference is substantial, with PSA 10s being significantly more valuable than ungraded copies.

Slakoth [Reverse Holo] #99 — Pokémon Mysterious Treasures Card Value

Name: Slakoth [Reverse Holo] #99 — Pokémon Mysterious Treasures Card Value
Brand: Pokémon

Pokémon Mysterious Treasures

What the Slakoth [Reverse Holo] #99 card from Pokémon Mysterious Treasures is worth — ungraded and graded (PSA 10).

Slakoth [Reverse Holo] #99 value — Ungraded $7 · Grade 9 $30 · PSA 10 $176. Prices updated July 2026.

Set · Pokémon Mysterious TreasuresGame · Pokémon

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Value by grade

Ungraded

4.3×

$30

Grade 9

25.1×

$176

PSA 10

Real sold prices per grade — the PSA 10 premium on this card is 25.1× 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 Slakoth #99, buy the Standard version for $4. The Reverse Holo version at $7 offers a slight upgrade in visual appeal, though scarcity is not a major factor here. If budget is the primary concern, stick with the Standard. Collectors prioritizing a marginally nicer card should pay the extra $3 for the Reverse Holo.

VersionUsedNewBuy

Reverse Holo— this pageSlakoth [Reverse Holo] #99 — Pokémon Mysterious Treasures Card Value$7.24$176.22eBay ↗

StandardSlakoth #99 — Pokémon Mysterious Treasures Card Value$3.77$119.1eBay ↗

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PriceCharting — Slakoth [Reverse Holo] #99 (Pokémon Mysterious Treasures)$7.24

Item details

Brand: Pokémon
Set: Pokémon Mysterious Treasures
Game: Pokémon

Slakoth [Reverse Holo] #99 (Pokémon Mysterious Treasures) card value

An ungraded Slakoth [Reverse Holo] #99 from Pokémon Mysterious Treasures averages around $7. A Grade 9 copy runs about $30, and a PSA 10 gem-mint commands $176.

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	$7	eBay sold comps
Grade 9	$30	eBay sold comps
PSA 10	$176	eBay sold comps

Frequently asked questions

What is the current value of an ungraded Slakoth [Reverse Holo] #99?: Ungraded copies of Slakoth [Reverse Holo] #99 from the Pokémon Mysterious Treasures set are currently valued around $7.
How much is a PSA 10 graded version worth?: A PSA 10 graded Slakoth [Reverse Holo] #99 can sell for $176.
Is the value difference between ungraded and graded significant?: Yes, the value difference is substantial, with PSA 10s being significantly more valuable than ungraded copies.