Graded Market · 23 completed sales
Professor's Research [Professor Juniper] - SWSH152 graded prices.
As of August 21, 2026, Professor's Research [Professor Juniper] - SWSH152 (SWSH Black Star Promos #SWSH152) in PSA 10 sells for a median of $59.99, based on 23 real eBay completed sales; the raw copy’s reference price is $2.71 — a 22.1× grading premium at the top grade.
Across SWSH Black Star Promos, PSA 10 copies sell for 30.9× their raw reference price on average (143 cards, 5,362 PSA 10 completed sales tracked).
PSA · Professor's Research [Professor Juniper] - SWSH152
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $59.99 | 5 | 22.1× |
| Mint 9 | $11.50 | 4 | 4.2× |
CGC · Professor's Research [Professor Juniper] - SWSH152
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $37.25 | 4 | 13.7× |
| Mint 9 | $8.00 | 7 | 3.0× |
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.