Pokémon TCG · Sword & Shield

Professor's Research (Professor Oak)

Name: Professor's Research (Professor Oak) - Celebrations #23
Brand: Pokémon TCG

Celebrations · #23 · Rare Holo

Illustrated by KIYOTAKA OSHIYAMA

Market price, Holofoil $0.26 As of Oct 20, 2026 Common / bulk

Not much on its own, around $0.26. It is a common, widely-printed card.

Listed as: Professor's Research [Professor Oak]

Lowest listing: $0.04 on Oct 20, 2026, any condition
Median, May 30, 2026 to Jul 13, 2026: $0.20 from 45 daily market prices, highest and lowest 10% left out

Every saved price

Date	Market price
May 30, 2026	$0.28
Jun 2, 2026	$0.30
Jun 5, 2026	$0.33
Jun 8, 2026	$0.29
Jun 11, 2026	$0.29
Jun 14, 2026	$0.21
Jun 17, 2026	$0.08
Jun 20, 2026	$0.17
Jun 23, 2026	$0.18
Jun 26, 2026	$0.13
Jun 29, 2026	$0.25
Jul 2, 2026	$0.18
Jul 5, 2026	$0.15
Jul 8, 2026	$0.18
Jul 11, 2026	$0.22
Jul 13, 2026	$0.20
Oct 20, 2026	$0.26

#21 by market price in Celebrations on Oct 20, 2026 Ungraded. The market price is an average of recent online sales. We do not know how many sales it is based on. How card values work →

Supertype: Trainer
Subtypes: Supporter
Set: Celebrations
Series: Sword & Shield
Released: 2021/10/08
Card number: 23