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Ruby & Sapphire, #89 / 109, Pokémon TCG
Names in other languages: Professor Birk (DE) · Prof. Seko (FR)
Reference price – limited data, Raw
Reference price – limited data: US$0.34
A reference price rests on few or older data points or on a single source and is not a confirmed market value. Check further sources before buying or selling.
Updated 15 Nov 2026, 2 sources, method pe-1.3.Exchange rates: ECB reference rates of 13 Nov 2026.
Daily estimate with uncertainty band
Now Reference price – limited data: US$0.34. The chart appears once there are 7 daily values.
Raw and graded values are calculated separately and never mixed.
| Grade | Value | vs. raw | Data quality |
|---|---|---|---|
| Reference price – limited data: US$0.34 | – |
Sales and listings for this variant and grade
No individual sales recorded yet. Price data evaluated: 2 sources.
Offers, auctions and sold prices at other providers – chosen for your country and this item.
The links open the providers’ pages in a new tab. Prices there are the providers’ offers or results, not a valuation by HoloFoilX.
Shown for: Switzerland.
Card data: TCGdex (tcgdex.dev)
Pokémon and Pokémon character names are trademarks of Nintendo. HoloFoilX is not produced, endorsed, supported or affiliated with Nintendo or The Pokémon Company.
Where the numbers come from and how current they are
Cardmarket averages (sales) and TCGplayer market prices as republished by TCGdex.
10 figures reported by this provider in the last 30 days; at most one sales-based or average figure per market goes into the valuation (individual figures are not shown for licensing reasons).
Card data: TCGdex (tcgdex.dev)
Values are estimates, not offers or investment advice. Asking prices are shown separately and never treated as proof of value.
There is no market data for graded copies of this variant yet.
Values of graded copies are estimates and appear only where data exists. They say nothing about the grade of your card; only grading companies assign official grades.
Opens the search results on ebay.ch: sellers’ asking prices, not a valuation by HoloFoilX. Results may include other cards or versions.
View sold listings on eBay (opens in a new tab)Opens the list of sold listings on ebay.ch. HoloFoilX does not fetch or show these prices.
Other eBay sites:ebay.de (opens in a new tab)ebay.fr (opens in a new tab)ebay.it (opens in a new tab)ebay.com (opens in a new tab)
HoloFoilX is independent: no partnership with these companies, no payment for these links and no recommendation of any company. Our estimate is not an official grade.