PriceHUD › Card lookup › Professor's Research
Professor's Research
SWSH Black Star Promos · SWSH178/307 · Promo
Ungraded, as of 2026-10-20
$0.51
| Ungraded | $0.51 |
| Grade 9 | $2.25 |
| PSA 10 | — |
| CGC 10 | — |
Based on recent public sales. Graded rungs are the price a slab of that grade last sold for.
PriceHUD reads the card on a live stream and puts this price on your phone before the hammer. The lookup you just used is free.
Get PriceHUDOther Professor's Research printings
- Pokémon GO · 84/78$8.39
- SWSH Black Star Promos · SWSH152/307$3.12
- Pokémon GO · 78/78$2.25
- Crown Zenith · 150/159$2.23
- Paldean Fates · 87/91$0.40
- Black Bolt · 85/86$0.40
- Prismatic Evolutions · 122/131$0.36
- Brilliant Stars · 147/172$0.34
Not affiliated with, endorsed by, or sponsored by Whatnot Inc., eBay Inc., TikTok Pte. Ltd., or The Pokémon Company. All trademarks belong to their respective owners. Prices are estimates from public sales data; always do your own diligence.
Price data from PriceCharting. PriceCharting is a trademark of its owner. · Privacy · Terms