Pokemon Base Set · #88 · Jun 1, 1995

Professor Oak$149.50 in a PSA 10.

Raw, it’s a $1.99 card. Slabbed as a PSA 10 it sells for 75× that, and PSA has only ever handed out 291 of them.

Check gradesUpdated 12 h ago

price-history

PSA 10, last year

$149.50

−2.2% 30 days

Avg, 90 days$156.77

Sales, 90 days7

Vs raw75×

Market priceA recorded saleBefore our sale records (sales still happened)

grades

sales

PSA 10 · median of last 5 sales, newest count most

$150

75.1× raw
pop as of Nov 5

1,182graded by PSA

25%gem rate, 1 in 4

622CGC · BGS

Recent PSA 10 sales

30 recorded

October · 1 sale · median $170 · −13% vs Sep
6	eBay	Professor Oak (PSA GEM MINT 10) - Unlimited - Pokemon Base Set 1999 #88/102 088/102	−29%	$170
September · 2 sales · median $195 · +42% vs Aug
16	eBay	Professor Oak PSA 10 1999 Pokémon Game Base Set 88 #88	+61%	$240
7	eBay	Pokemon Professor Oak Base Set Unlimited 88/102 PSA 10 88/102	+20%	$150
August · 4 sales · median $137 · +26% vs Jul
19	eBay	Pokemon 1999 Base Set Professor Oak 88/102 Trainer PSA 10 088/102	−16%	$125
12	eBay	PSA 10 GEM 💎 MINT 1999 BASE SET POKÉMON TRAINER PROFESSOR OAK 88/102 #88 WOTC 88/102	−8%	$149
12	eBay	Pokemon Cards: Base Set Uncommon: Professor Oak 88/102 PSA 10 #51	+60%	$162
12	eBay	Pokemon Cards: Base Set Uncommon: Professor Oak 88/102 PSA 10 #51	+17%	$102
July · 2 sales · median $108 · −38% vs Jun
24	eBay	2000 Pokemon Base II Set-Break #116 Professor Oak Gem Mint PSA 10	−33%	$87
14	eBay	1999 Pokemon Base Set Unlimited #88 Professor Oak Gem Mt PSA 10 #88	−26%	$130
June · 1 sale · median $175 · +56% vs May
18	eBay	1999 POKEMON GAME 88 PROFESSOR OAK TRAINER PSA 10 GEM MINT BASE SET UNLIMITED	+56%	$175
May · 3 sales · median $113 · −16% vs Apr
21	eBay	1999 POKEMON BASE SET UNLIMITED #88 PROFESSOR OAK PSA 10 #88	+5%	$113
10	eBay	PSA 10 GEM 💎 MINT 1999 BASE SET POKÉMON TRAINER PROFESSOR OAK 88/102 #88 WOTC 88/102	−18%	$107
6	eBay	1999 Pokemon Game - Professor Oak 88/102 Base Set - PSA GEM MINT 10	−6%	$130
April · 2 sales · median $134 · +3% vs Mar
20	eBay	Pokemon Cards: Base Set Uncommon: Professor Oak 88/102 PSA 10 #51	+6%	$138
16	eBay	1999 POKEMON GAME 88 PROFESSOR OAK TRAINER PSA 10 GEM MINT BASE SET UNLIMITED 088/102	—	$130
March · 3 sales · median $130 · +30% vs Feb
26	eBay	1999 POKEMON GAME 88 PROFESSOR OAK TRAINER PSA 10 GEM MINT BASE SET UNLIMITED	—	$130
16	eBay	1999 POKEMON GAME 88 PROFESSOR OAK TRAINER PSA 10 GEM MINT BASE SET UNLIMITED	+4%	$130
13	eBay	1999 POKEMON GAME 88 PROFESSOR OAK TRAINER PSA 10 GEM MINT BASE SET UNLIMITED	+25%	$125
February · 1 sale · median $100 · +5% vs Nov
5	eBay	1999 POKEMON GAME 88 PROFESSOR OAK TRAINER PSA 10 GEM MINT BASE SET UNLIMITED	−23%	$100
November 2025 · 4 sales · median $95 · −21% vs Oct
25	eBay	1999 POKEMON GAME 88 PROFESSOR OAK TRAINER PSA 10 GEM MINT BASE SET UNLIMITED 088/102	+73%	$130
22	eBay	PROFESSOR OAK #88 PSA 10 1999 POKEMON Base Set Unlimited WOTC #88	+7%	$75
5	eBay	PSA 10 GEM MINT Professor Oak 088/102 Base Set Rare 1999 Pokemon WOTC 088/102	−39%	$70
4	eBay	Pokemon Professor Oak Base Set Unlimited #88 PSA 10 Gem Mint	−4%	$115
October 2025 · 1 sale · median $120 · +70% vs Sep
19	eBay	1999 POKEMON GAME 88 PROFESSOR OAK TRAINER PSA 10 GEM MINT BASE SET UNLIMITED	+122%	$120
September 2025 · 2 sales · median $71 · +32% vs Aug
15	eBay	1999 POKEMON BASE SET #88 PROFESSOR OAK PSA 10 GEM MIN 088/102	−38%	$54
14	eBay	1999 POKEMON BASE SET #88 PROFESSOR OAK PSA 10 GEM MIN 088/102	+82%	$87
August 2025 · 4 sales · median $54
25	eBay	1999 POKEMON BASE SET #88 PROFESSOR OAK PSA 10 GEM MIN 088/102	−15%	$48
24	eBay	1999 POKEMON BASE SET #88 PROFESSOR OAK PSA 10 GEM MIN 088/102	−57%	$56
13	eBay	1999 POKEMON GAME 88 PROFESSOR OAK TRAINER PSA 10 GEM MINT BASE SET UNLIMITED	+153%	$129
11	eBay	1999 POKEMON BASE SET UNLIMITED #88 PROFESSOR OAK PSA 10 #88	—	$51