Price by Grade
Recent market prices for graded copies of Professor's Research (Professor Sada)
| Grade | Market Price | vs Raw |
|---|
| 💎 10 | $57.00 | 14× |
| 9.5 | $26.00 | 6.6× |
| 9 | $23.50 | 5.9× |
| 8 | $9.99 | 2.5× |
| 7 | $4.70 | 1.2× |
| Raw (ungraded) | $3.95 | 1× |
Worth grading? A grade 10 copy sells for around $57.00, about 14× the $3.95 raw price, so high-grade copies are worth grading.