Professor's Research (Celebrations #23) PSA 10 Price, Gem Rate & Grading Value

Grade Matrix

PSA

PSA 6

$8

PSA 7

$9

PSA 8

$15

PSA 9

$10

PSA 10

$244

PSA 10: PriceCharting; last PSA 10 sale May 23, 2026

CGC

CGC 8

-

CGC 9

-

CGC 10

$11

CGC P10

-

Availability

Graded: ~5 sales/yr (extremely low) · Sales per year: ~277 sales/yr · Recent sales: 4 PSA 10 comps · Graded copies: 842 · PSA-10 delta 10.7%

TCGplayer Price History

Product 250318Fetched Sep 8, 3:57 AM

Card Value FAQ

How much is a PSA 10 Professor's Research (Celebrations #23) worth?

A PSA 10 Professor's Research (Celebrations #23) is currently shown at $244. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.

PSA 10 Recent sales

Date	Sale
May 23, 2026	$225.00
Apr 26, 2026	$243.50
Apr 5, 2026	$300.00
Mar 13, 2026	$283.00