Grade Matrix
PSA
PSA 6
-
PSA 7
$2
PSA 8
$27
PSA 9
$30
PSA 10
$36
PSA 10: PriceCharting; refreshed Sep 10, 2026
CGC
CGC 8
-
CGC 9
-
CGC 10
$6
CGC P10
-
Availability
Availabilityi
4/10G: —
Graded: insufficient data · Sales per year: ~46 sales/yr · Graded copies: 53
TCGplayer Price History
HolofoilProduct 208508Fetched Sep 5, 3:53 AM
TCGplayer market
$0.27
Latest avg sale
$0.25
Units sold
280
Card Value FAQ
How much is a PSA 10 Professor's Research (Sword & Shield #178) worth?
A PSA 10 Professor's Research (Sword & Shield #178) is currently shown at $36.00. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.