![Blastoise Ex [Stamped] #30](https://storage.googleapis.com/images.pricecharting.com/weqmgho6sfjv72kz/1600.jpg)
Pokemon Stellar Crown · #030 · Base
Should You Grade?
The gem rate is only 25% — 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.