Professor Oak Base Set #88
Base Set 1999 · #88 · updated 2026-11-03

| Price | 30d | 1y | |
|---|---|---|---|
| PSA 10 most traded | $165 | ▲0% | ▲73% |
| PSA 9 | $35.00 | — | ▲11% |
| Raw | $3.37 | ▲51% | — |
| Pokémon index | — | ▲26% | ▲117% |
| Base Set set index | — | ▲9% | ▲56% |

| Grade | Price | 30d | 1y |
|---|---|---|---|
| PSA 10 | $165 | 0 | ▲ 73% |
| PSA 9 | $35.00 | 0 | ▲ 11% |
| PSA 8.5 | $9.99 | 0 | — |
| PSA 8 | $13.40 | 0 | ▼ 34% |
| PSA 7 | $12.40 | 0 | — |
| PSA 6 | $10.00 | 0 | — |
| PSA 5 | $16.00 | 0 | — |
| PSA 4 | $29.00 | 0 | — |
| PSA 2 | $45.00 | 0 | — |
| PSA 1 | $28.00 | 0 | — |
| Raw | $3.37 | 0 | — |
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About Professor Oak Base Set #88
Professor Oak Base Set #88 is a 1999 Pokémon card from Base Set, number 88. Right now a PSA 10 sells for about $165; a PSA 9 sells for about $35.00; a PSA 8 sells for about $13.40; an ungraded copy sells for about $3.37, each the median of the newest three recorded sales inside 30 days.
We hold 458 recorded sales of this card going back to 2017-11. By venue: eBay 88%, Fanatics 9%, Goldin 3%. The most traded grade over the last 90 days is PSA 10, up 73% on a year ago.
Over the same year, all Pokémon cards up 117%; Base Set cards up 56%, so this card has trailed the market it belongs to. The chart above plots those indices against the card.
PSA has graded 293 copies at PSA 10 and PSA 7 95. Population as of 2026-10-02, from PSA's cert records.
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Professor Oak Base Set #88 questions
How much is a Professor Oak Base Set #88 worth?
About $165 in PSA 10, the most traded grade and an ungraded copy about $3.37. Prices are the median of the newest three recorded sales inside 30 days.
How much is a PSA 10 Professor Oak Base Set #88?
About $165, up 73% on a year ago. PSA has graded 293 copies at 10.
How much is an ungraded Professor Oak Base Set #88 worth?
Raw copies sell for about $3.37. Condition drives raw prices more than any grade does.
Is Professor Oak Base Set #88 going up in value?
In PSA 10 it is up 73% over the last year and up 0% over 30 days. All Pokémon cards up 117% over the same year. Base Set up 56% over the same year.
What is the PSA 10 premium on Professor Oak Base Set #88?
A PSA 10 sells for 4.7x a PSA 9 right now ($165 against $35.00).
Where can I buy a Professor Oak Base Set #88?
The Deals section on this page lists every auction of this card ending inside 24 hours and every Buy It Now the deal finder is pricing, each against the comp for its grade. Tap one to open it on eBay, or open the deal finder for every card.
What is the PSA population of Professor Oak Base Set #88?
PSA 10: 293; PSA 7: 95. As of 2026-10-02.