Japanese Undone Seal Price Guide
Every Japanese Undone Seal value we track — 149 priced from real closed sales , topping out at $173 with a typical value of $5. Prices update as the market moves.
The Japanese Undone Seal market is currently showing strong demand for high-grade, first-edition variants. Right now, the top tier is anchored by cards like Ninetales ex [1st Edition] #18, commanding a price around $173, while Kyogre ex [1st Edition] #39 sits near $73. Value in this segment is heavily dictated by pristine condition and the rarity of the initial print run. For buyers, always verify the specific set and printing details before bidding, as subtle variations drastically impact the final realized price.
Updated August 2026 · values re-rank as new sales close.
Most valuable Japanese Undone Seal items
Values are informational estimates from real sales data. JunkPal may earn a commission when you buy through eBay links, at no extra cost to you.