What is the current resale value of Castform #66?

The ungraded Castform #66 is currently valued at $4.

Is the "Undone Seal" condition important for its value?

Yes, the Undone Seal designation is part of the Pokémon Japanese Undone Seal set, which contributes to its collectible nature.

What game is this Pokémon card from?

This card is from the Pokémon game series.

Castform #66 — Pokémon Japanese Undone Seal Card Value

Name: Castform #66 — Pokémon Japanese Undone Seal Card Value
Brand: Pokémon

Pokémon Japanese Undone Seal

What the Castform #66 card from Pokémon Japanese Undone Seal is worth — ungraded and graded (PSA 10).

Castform #66 value — Ungraded $4. Prices updated July 2026.

Set · Pokémon Japanese Undone SealGame · Pokémon

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Which version do you have?

For the cheapest way to own Castform #66, either the 1st Edition or Standard version at $4 is fine. Since both versions are priced the same, there is no immediate premium benefit to choosing one over the other based on edition or scarcity alone. If you just want the card, buy either one. If you are looking for a specific collectible aspect, the current pricing suggests the versions offer no significant advantage to justify paying more.

VersionUsedNewBuy

1st EditionCastform [1st Edition] #66 — Pokémon Japanese Undone Seal Card Value$3.97$147.12eBay ↗

Standard— this pageCastform #66 — Pokémon Japanese Undone Seal Card Value$3.79—eBay ↗

JunkPal AI· resale insightanalyzing sold comps…

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Price data verified against · 1

PriceCharting — Castform #66 (Pokémon Japanese Undone Seal)$3.79

Item details

Brand: Pokémon
Set: Pokémon Japanese Undone Seal
Game: Pokémon

Castform #66 (Pokémon Japanese Undone Seal) card value

An ungraded Castform #66 from Pokémon Japanese Undone Seal averages around $4. A Grade 9 copy runs about null, 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

What this actually trades for — sold values by condition vs. what sellers are asking today

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Condition	Value	Based on
Ungraded	$4	eBay sold comps

Frequently asked questions

What is the current resale value of Castform #66?: The ungraded Castform #66 is currently valued at $4.
Is the "Undone Seal" condition important for its value?: Yes, the Undone Seal designation is part of the Pokémon Japanese Undone Seal set, which contributes to its collectible nature.
What game is this Pokémon card from?: This card is from the Pokémon game series.