What is the difference in value between the ungraded and graded versions?

The ungraded version is valued around $23, whereas a professionally graded Grade 9 copy sells for $300.

Is this item part of a specific set?

This Mudkip [Cosmos Holo] is categorized as a Pokémon Promo item from the Pokémon game line.

What is the starting price for this promo card?

The starting resale value for the ungraded Mudkip [Cosmos Holo] Promo is $23.

Mudkip [Cosmos Holo] #18 — Pokémon Promo Card Value

Pokémon Promo

What the Mudkip [Cosmos Holo] #18 card from Pokémon Promo is worth — ungraded and graded (PSA 10).

Mudkip [Cosmos Holo] #18 value — Ungraded $23 · Grade 9 $300. Prices updated July 2026.

Set · Pokémon PromoGame · Pokémon

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Which version do you have?

For the lowest cost, buy the Standard version for $19. The Cosmos Holo at $23 and No E-Reader Code at $41 offer premium appeal through unique artwork or digital tie-ins, increasing desirability. Collectors prioritizing display value or rarity should pay the premium for Cosmos Holo or No E-Reader Code, while casual owners can satisfy their collection with the budget-friendly Standard version.

VersionUsedNewBuy

No E-Reader CodeMudkip [No E-Reader Code] #18 — Pokémon Promo Card Value$41—eBay ↗

Cosmos Holo— this pageMudkip [Cosmos Holo] #18 — Pokémon Promo Card Value$23.13—eBay ↗

StandardMudkip #18 — Pokémon Promo Card Value$18.92$1,678eBay ↗

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PriceCharting — Mudkip [Cosmos Holo] #18 (Pokémon Promo)$23.13

Item details

Brand: Pokémon
Set: Pokémon Promo
Game: Pokémon

Mudkip [Cosmos Holo] #18 (Pokémon Promo) card value

An ungraded Mudkip [Cosmos Holo] #18 from Pokémon Promo averages around $23. A Grade 9 copy runs about $300, and a PSA 10 gem-mint commands null.

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	$23	eBay sold comps
Grade 9	$300	eBay sold comps

Frequently asked questions

What is the difference in value between the ungraded and graded versions?: The ungraded version is valued around $23, whereas a professionally graded Grade 9 copy sells for $300.
Is this item part of a specific set?: This Mudkip [Cosmos Holo] is categorized as a Pokémon Promo item from the Pokémon game line.
What is the starting price for this promo card?: The starting resale value for the ungraded Mudkip [Cosmos Holo] Promo is $23.