HOLOSCOPE![Professor's Research [Professor Sada] 189/198 Professor Program Promos Pokémon card](https://product-images.tcgplayer.com/fit-in/437x437/556953.jpg)
ENGLISH · PROMO
Professor's Research [Professor Sada] 189/198 price
Professor's Research [Professor Sada] from Professor Program Promos. Near mint trades around $13.54. A PSA 10 has a median sold price of $422.63.
OPEN IN THE TERMINAL- NEAR MINT
- $13.54
- GRADED CAP
- $4,162
- GRADED COPIES
- 22
- 7D
- -17.9%
Professor's Research [Professor Sada] graded prices
Median sold price for each grader and grade. Each grade is its own market, so a thin grade is shown with its sale count instead of being blended with others.
| GRADE | MEDIAN SOLD | SALES | TREND |
|---|---|---|---|
| PSA 10 | $422.63 | 2 | — |
| PSA 9 | $11.72 | 3 | up |
| CGC 9.5 | $6.00 | 1 | — |
From the daily market export of October 28, 2026.
Professor's Research [Professor Sada] population
| GRADER | TOTAL GRADED | GRADE 10 | GRADE 9 | GEM RATE |
|---|---|---|---|---|
| PSA | 22 | 10 | 9 | 45.5% |
More from Professor Program Promos
Before you buy
Check the exact printing and grade. Read how to buy graded Pokémon cards onchain, or get an alert when this card lists at your price.