Graded Market · 6 completed sales
Professor's Research [Professor Sada] - 240/198 graded prices.
As of July 7, 2026, Professor's Research [Professor Sada] - 240/198 (Scarlet & Violet #240) in PSA 10 sells for a median of $28.50, based on 6 real eBay completed sales; the raw copy’s reference price is $2.83 — a 10.1× grading premium at the top grade.
PSA · Professor's Research [Professor Sada] - 240/198
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $28.50 | 4 | 10.1× |
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.