
Price checked Nov 7, 2026 · last changed Oct 30, 2026
- Set
- Crown Zenith
- Series
- Sword & Shield
- Rarity
- Rare Ultra
- Number
- 150
- Supertype
- Trainer
- Artist
- Sanosuke Sakuma
- Subtypes
- Supporter

Professor's Research — PSA 9Crown Zenith · #150
Price checked Nov 7, 2026 · last changed Oct 30, 2026
Professor's Research (Crown Zenith #150) is worth about $1.77 ungraded, going by the TCGplayer market price. That is down 20% since April 5. On eBay right now: PSA 9 copies from $16.99 (3 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$16.99
cheapest of 3 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$1.77 marketCardmarketAffiliate links: we may earn a commission when you buy through them, at no extra cost to you.
Buy on eBay
active asks · 4d 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 10 | $185 | 1 | Listings → |
| PSA 9 | $16.99 | 3 | Listings → |
| Raw / Ungraded | $1.15 | 196 | 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.





