Price last changed Nov 7, 2026
- Set
- SWSH Black Star Promos
- Series
- Sword & Shield
- Rarity
- Promo
- Number
- SWSH152
- Supertype
- Trainer
- Artist
- Yuu Nishida
- Subtypes
- Supporter
Professor's Research — PSA 9SWSH Black Star Promos · #SWSH152
Price last changed Nov 7, 2026
Professor's Research (SWSH Black Star Promos #SWSH152) is worth about $2.55 ungraded, going by the TCGplayer market price. That is down 7% since April 5. On eBay right now: PSA 9 copies from $25.00 (7 listed).
Price History
Recent sales
by gradeReal sold prices — what buyers actually paid, not an estimate.
Sold-price data from Silph Co Analytics. Outliers excluded.
Prices & Marketplace
PSA 9 · cheapest right now
live eBay asks$25.00
cheapest of 7 PSA 9 listings for Professor's Research
See PSA 9 listings on eBay →Asking prices, not sold prices. Condition is settled by the grade, but always check the listing.
TCGPlayer (NM market)
referenceBuy this card
TCGPlayer$2.55 marketCardmarketAffiliate links: we may earn a commission when you buy through them, at no extra cost to you.
Buy on eBay
active asks · 1d agoListings by grade
The cheapest copy listed on eBay at each grade right now — what the slab is worth paying for.
| Grade | Lowest ask | Listed | |
|---|---|---|---|
| PSA 9 | $25.00 | 7 | Listings → |
| PSA 8 & under | $32.00 | 2 | Listings → |
| CGC 9.5+ | $24.99 | 4 | Listings → |
| CGC 9 & under | $9.75 | 5 | Listings → |
| Raw / Ungraded | $2.50 | 128 | Listings → |
These are current asking prices, not sold prices — a grade with one optimistic listing can look far pricier than it trades for. Recent sold comps are below.
