Base Set#88PSA 10 Gem Mint
Professor Oak Base Set Unlimited PSA 10 Price History
Live PSA 10 Gem Mint price tracking for the 1999 Pokemon Base Set Professor Oak (#88). Data compiled from verified sold listings on eBay, Goldin, and Fanatics Collect.
Current PSA 10 Market Avg
$114
+90.0% over the last 12 monthsCompare Professor Oak Variants
Professor Oak was printed across multiple Base Set variants. Click any variant above to view its price history.
All-Time High
$175
Feb 2021
All-Time Low
$51
Apr 2024
Since Feb 2021
-34.9%
total return
Avg Monthly Price
$80
64 months tracked
Recent Sales Avg
$91
30 listings tracked
Recent Sales Range
$40–$145
low to high
PSA 10 Monthly Price History
Monthly average PSA 10 Gem Mint price for the 1999 Pokemon Base Set Professor Oak (#88). Data covers Feb 2021 – May 2026.
Recent Gem Mint Sales
| Date Sold | Price | Grade | Source | Listing |
|---|---|---|---|---|
| 2026-05-21 | $112 | PSA 10 | eBay | 1999 POKEMON BASE SET UNLIMITED #88 PROFESSOR OAK PSA 10 #88 |
| 2026-05-10 | $107 | PSA 10 | eBay | PSA 10 GEM 💎 MINT 1999 BASE SET POKÉMON TRAINER PROFESSOR OAK 88/102 #88 WOTC 88/102 |
| 2026-05-06 | $130 | PSA 10 | eBay | 1999 Pokemon Game – Professor Oak 88/102 Base Set – PSA GEM MINT 10 |
| 2026-04-20 | $138 | PSA 10 | eBay | Pokemon Cards: Base Set Uncommon: Professor Oak 88/102 PSA 10 #51 |
| 2026-04-16 | $130 | PSA 10 | eBay | 1999 POKEMON GAME 88 PROFESSOR OAK TRAINER PSA 10 GEM MINT BASE SET UNLIMITED 088/102 |
| 2026-03-26 | $130 | PSA 10 | eBay | 1999 POKEMON GAME 88 PROFESSOR OAK TRAINER PSA 10 GEM MINT BASE SET UNLIMITED |
| 2026-03-20 | $60 | CGC 10 | eBay | CGC 10 GEM MINT Professor Oak 1999 Base Set 88/102 Pokemon Card 88/102 |
| 2026-03-16 | $130 | PSA 10 | eBay | 1999 POKEMON GAME 88 PROFESSOR OAK TRAINER PSA 10 GEM MINT BASE SET UNLIMITED |
| 2026-03-13 | $125 | PSA 10 | eBay | 1999 POKEMON GAME 88 PROFESSOR OAK TRAINER PSA 10 GEM MINT BASE SET UNLIMITED |
| 2026-02-15 | $150 | CGC 10 Pristine | eBay | CGC 10 PRISTINE Professor Oak 1999 Base Set 88/102 Pokemon Card 88/102 |
| 2026-02-05 | $100 | PSA 10 | eBay | 1999 POKEMON GAME 88 PROFESSOR OAK TRAINER PSA 10 GEM MINT BASE SET UNLIMITED |
| 2026-01-27 | $50 | CGC 10 | eBay | CGC 10 – 1999 Pokemon Base Set Professor Oak 88/102 Pokemon Card |
| 2025-11-25 | $130 | PSA 10 | eBay | 1999 POKEMON GAME 88 PROFESSOR OAK TRAINER PSA 10 GEM MINT BASE SET UNLIMITED 088/102 |
| 2025-11-22 | $75 | PSA 10 | eBay | PROFESSOR OAK #88 PSA 10 1999 POKEMON Base Set Unlimited WOTC #88 |
| 2025-11-05 | $70 | PSA 10 | eBay | PSA 10 GEM MINT Professor Oak 088/102 Base Set Rare 1999 Pokemon WOTC 088/102 |
| 2025-11-04 | $115 | PSA 10 | eBay | Pokemon Professor Oak Base Set Unlimited #88 PSA 10 Gem Mint |
| 2025-10-19 | $120 | PSA 10 | eBay | 1999 POKEMON GAME 88 PROFESSOR OAK TRAINER PSA 10 GEM MINT BASE SET UNLIMITED |
| 2025-10-07 | $24 | CGC 10 | eBay | 1999 POKEMON BASE SET #88 PROFESSOR OAK CGC 10 GEM MINT |
| 2025-09-15 | $54 | PSA 10 | eBay | 1999 POKEMON BASE SET #88 PROFESSOR OAK PSA 10 GEM MIN 088/102 |
| 2025-09-14 | $87 | PSA 10 | eBay | 1999 POKEMON BASE SET #88 PROFESSOR OAK PSA 10 GEM MIN 088/102 |
| 2025-09-11 | $40 | CGC 10 | eBay | CGC 10 GEM MINT Professor Oak 88/102 Base Set Pokemon Card 88/102 |
| 2025-08-25 | $48 | PSA 10 | eBay | 1999 POKEMON BASE SET #88 PROFESSOR OAK PSA 10 GEM MIN 088/102 |
| 2025-08-24 | $56 | PSA 10 | eBay | 1999 POKEMON BASE SET #88 PROFESSOR OAK PSA 10 GEM MIN 088/102 |
| 2025-08-13 | $129 | PSA 10 | eBay | 1999 POKEMON GAME 88 PROFESSOR OAK TRAINER PSA 10 GEM MINT BASE SET UNLIMITED |
| 2025-08-11 | $51 | PSA 10 | eBay | 1999 POKEMON BASE SET UNLIMITED #88 PROFESSOR OAK PSA 10 #88 |
| 2025-07-23 | $90 | CGC 10 Pristine | eBay | CGC 10 PRISTINE Professor Oak 88/102 Base Set Pokemon Card |
| 2025-07-21 | $20 | CGC 10 | eBay | Professor Oak Non-Holo 1999 WOTC Pokemon Card 88/102 Base Set CGC 10 GEM MINT |
| 2025-07-13 | $60 | PSA 10 | eBay | 1999 Pokemon Base Set Professor Oak #88/102 PSA 10 088/102 |
| 2025-06-30 | $75 | PSA 10 | eBay | 1999 Pokemon Base Set Professor Oak #88/102 PSA 10 088/102 |
| 2025-06-26 | $51 | PSA 10 | eBay | 1999 Pokemon Professor Oak 088/102 Base Set Regular PSA 10 088/102 |
| 2025-06-13 | $20 | CGC 10 | eBay | 1999 Pokémon Base Set Professor Oak 88/102 CGC GEM MINT 10 088/102 |
| 2025-05-25 | $102 | PSA 10 | eBay | Pokemon 1999 Base Set Unlimited Professor Oak 88/102 PSA 10 |
| 2025-05-20 | $145 | PSA 10 | eBay | 1999 POKEMON GAME 88 PROFESSOR OAK TRAINER PSA 10 GEM MINT BASE SET UNLIMITED |
| 2025-05-19 | $22 | CGC 10 | eBay | Professor Oak Non-Holo 1999 WOTC Pokemon Card 88/102 Base Set CGC 10 GEM MINT |
| 2025-04-20 | $76 | PSA 10 | eBay | PSA 10 Professor Oak 88/102 Base Set Pokemon Card 1999-2000 4th Print POP 47 |
| 2025-04-07 | $48 | PSA 10 | eBay | Professor Oak Base Set Pokemon Card 88/102 – 1999-2000 PSA 10 88/102 |
| 2025-03-18 | $41 | PSA 10 | eBay | 1999 POKEMON GAME 88 PROFESSOR OAK TRAINER PSA 10 GEM MINT BASE SET UNLIMITED |
| 2025-01-19 | $40 | PSA 10 | eBay | Professor Oak Base Set Pokemon Card 88/102 – 1999-2000 PSA 10 88/102 |
| 2025-01-17 | $50 | CGC 10 | eBay | CGC 10 GEM MINT Professor Oak 88/102 Base Set 1999-2000 Pokemon Card |
| 2025-01-16 | $50 | CGC 10 | eBay | CGC 10 GEM MINT Professor Oak 88/102 Base Set Pokemon Card |
| 2025-01-15 | $50 | PSA 10 | eBay | Professor Oak Base Set Pokemon Card 88/102 – 1999-2000 PSA 10 88/102 |
| 2024-12-15 | $29 | CGC 10 | eBay | CGC 10 GEM MINT – 1999 Pokemon Base Set 88/102 Professor Oak Pokemon Card 88/102 |
| 2024-11-25 | $16 | CGC 10 | eBay | CGC 10 GEM MINT – 1999 Pokemon Base Set 88/102 Professor Oak Pokemon Card 88/102 |
| 2024-10-06 | $41 | CGC 10 | eBay | CGC 10 GEM MINT Professor Oak 88/102 Base Set Pokemon Card 88/102 |
| 2024-09-30 | $76 | CGC 10 Pristine | eBay | CGC 10 PRISTINE Professor Oak 88/102 Base Set Pokemon Card |
45 verified gem-mint sales (PSA 10, CGC 10, BGS 10, and other 10-grade equivalents). PSA 10 carries the highest premium; CGC 10 and BGS 10 typically trade at a slight discount. Prices exclude shipping.
About Professor Oak (Base Set Unlimited)
Trainer card. The most famous Pokemon trainer — discard your hand and draw 7 new cards. Tournament-defining card.
The Unlimited print is the most common Base Set variant. Drop-shadow border on the right and bottom edges of the artwork, no edition stamp. Printed continuously from 1999 through early 2000.
How to identify a Unlimited Professor Oak:
- Drop-shadow visible on the right and bottom edge of the artwork box
- No “Edition 1” stamp on the lower-left
- WotC copyright at the bottom
- 1999 copyright date
Related Pages
FAQ
- How much is a PSA 10 Professor Oak Base Set Unlimited worth?
- As of May 2026, the monthly average sold price is $114. Individual sales over the last several months ranged from $40 to $145. Prices are volatile — check the chart above for the latest trajectory.
- How do I tell if my Professor Oak is a Unlimited?
- Look for the markers listed in the identification section above. The key distinguishing features for the Unlimited variant are: drop-shadow visible on the right and bottom edge of the artwork box, no “edition 1” stamp on the lower-left.
- Where does this price data come from?
- All chart data and recent sales are compiled from verified sold listings across eBay, TCGPlayer, Goldin, and Fanatics Collect. Last refreshed 2026-05-24.
Price data compiled from verified sold listings across major marketplaces and auction houses. Last updated 2026-05-24. This page is informational only and is not investment advice. Card image courtesy of the Pokemon TCG API.