Professor's Research
Pokémon GO - 89/71
Ungraded
Purchase price
$
Quantity
Ungraded
Purchase price
$
Quantity
Market prices
Professor's Research 89/71 from Pokémon GO sells for $4.86 ungraded: the median of 7 completed sales over the last 90 days, as of October 1, 2026.
Graded population: CGC 100 copies (81.0% in 10), as of October 1, 2026.
Ungraded
MedianRangeSales
7 days$8.94est.$8.94 – $8.941 sale
30 days$6.90est.$6.90 – $6.902 sales
90 days$4.86$3.20 – $8.947 sales
Median by period. Short periods can rest on a handful of sales: the count is shown next to each price, and prices marked “est.” are indicative.
Graded Prices
TAG
| Grade | Median | Sales |
|---|---|---|
| TAG 9 | $19.34est. | 1 sale |
Actual prices may vary.
Graded population report — Professor's Research #89
Updated monthly · as of October 2026
CGC
| Grade | Pop |
|---|---|
| Perfect 10 | 1 |
| Pristine 10 | 35 |
| Gem Mint 10 | 45 |
| 9.5 | 1 |
| 9 | 11 |
| 8.5 | 1 |
| 8 | 4 |
| 7.5 | 2 |
0%22.5%45%
Card details
No battle details available for this card.
Information
License
Language
Japanese
Series
Set
Release date
6/17/2022
Rarity
Hyper Rare
Card number
89
Total cards
71
Illustrator
