Graded Market · 48 completed sales
Professor's Research [Professor Oak] (Full Art) graded prices.
As of August 19, 2026, Professor's Research [Professor Oak] (Full Art) (Celebrations #024) in PSA 10 sells for a median of $49.99, based on 48 real eBay completed sales; the raw copy’s reference price is $1.28 — a 39.1× grading premium at the top grade.
Across Celebrations, PSA 10 copies sell for 92.7× their raw reference price on average (10 cards, 2,935 PSA 10 completed sales tracked).
PSA · Professor's Research [Professor Oak] (Full Art)
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $49.99 | 20 | 39.1× |
| Mint 9 | $11.99 | 13 | 9.4× |
| NM-MT 8 | $10.50 | 9 | 8.2× |
CGC · Professor's Research [Professor Oak] (Full Art)
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Mint 9 | $5.25 | 3 | 4.1× |
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.