Graded Market · 9 completed sales
Professor Oak graded prices.
As of August 20, 2026, Professor Oak (Base #088) in PSA 10 sells for a median of $119.99, based on 9 real eBay completed sales; the raw copy’s reference price is $1.30 — a 92.3× grading premium at the top grade.
Across Base, PSA 10 copies sell for 61.3× their raw reference price on average (23 cards, 136 PSA 10 completed sales tracked).
PSA · Professor Oak
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $119.99 | 3 | 92.3× |
| Mint 9 | $36.00 | 3 | 27.7× |
Medians of real eBay completed sales per grade; small sample sizes deserve caution. Prices are dated reference values — cite them with the as-of date above. Attribution: CardIntel (cardintel.io). See the methodology.