Graded Market · 9 completed sales
Professor's Research [Professor Rowan] (Full Art) graded prices.
As of August 19, 2026, Professor's Research [Professor Rowan] (Full Art) (Crown Zenith #150) in PSA 10 sells for a median of $45.06, based on 9 real eBay completed sales; the raw copy’s reference price is $2.08 — a 21.7× grading premium at the top grade.
Across Crown Zenith, PSA 10 copies sell for 26.0× their raw reference price on average (35 cards, 3,340 PSA 10 completed sales tracked).
PSA · Professor's Research [Professor Rowan] (Full Art)
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $45.06 | 6 | 21.7× |
CGC · Professor's Research [Professor Rowan] (Full Art)
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $19.99 | 3 | 9.6× |
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.