![Sabrina's Psyduck [1st Edition] #99](https://storage.googleapis.com/images.pricecharting.com/72010182408ea8f1f31e4383c172dddc5a7aa929e416761a0acfcaab66eafeae/1600.jpg)
Pokemon Gym Challenge · #99 · Oct 2000
Should You Grade?
The gem rate is only 33% — you'll need a very clean copy to hit PSA 10.
Factors in grading cost, turnaround time, and compounding — how fast you can reinvest profits into the next flip.
Shows the best-value tier from each grading company based on EV, cost, and turnaround. Pop = total graded population; 10s = grade 10 count.