The current value of Sunny Castform (Undone Seal #019) is €10.00, updated August 16, 2026, based on the latest market floor tracked by RareBit.

ADV4 · #019 · RARE

Sunny Castform

Undone Seal · Rare

JPNM

Current value · NM · JP

€10.00-19.6%

Cardmarket JP · 42 observations

Add to portfolio

Free account: follow your collection's value over time.

7d avg

—

30d avg

—

90d high

—

90d low

—

About this card

Sunny Castform is a Pokémon card from the Undone Seal set (ADV4 #019). Its rarity is Rare.

Price history

7D30DAll

CM JP avg· €3.93TCGplayer US

Pro analysisRead the full analysis

eBay Graded

eBay GradedAll PSA listings on eBay

• 10
  $65.00
• 9
  $55.86

Attributes

SetUndone Seal

Number#019

RarityRare

Languages

SourcesTCGPLAYER · CARDMARKET · PRICECHARTING

Population & conditions

NEAR MINT · 5

Other Sunny Castform cards

• 
  SSP · #195

  $7.88
• 
  HL · #26

  $4.75
• 
  DS · #31

  $4.11
• 
  LA · #51

  $2.80
• 
  SV7A · #067

  €1.99
• 
  PCG6 · #015

  €1.950.0%
• 
  CRE · #22

  $1.48
• 
  DP5C · #Castform-Sunny-Form

  €0.400.0%
• 
  SSP · #20

  $0.30
• 
  S6H · #011

  $0.26+8.3%
• 
  S8B · #021

  $0.230.0%
• 
  SV7A · #006

  $0.090.0%

Prices updated Jul 30, 2026