![Butterfree [Reverse Holo] #21](https://storage.googleapis.com/images.pricecharting.com/866d706329f08f5b3a2de3944566ea335403712ae4b9514fdfbc7eed8015e753/1600.jpg)
Pokemon Legendary Collection · #21 · Base · May 2002
Should You Grade?
The gem rate is only 4% — you'll need a very clean copy to hit PSA 10. Only 98 sales per year — it may take time to find a buyer at full price.
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.