![Omanyte [Series II] #138](https://storage.googleapis.com/images.pricecharting.com/bbdb3e3d21ee97ab920fe5ac9d769ee96fb844d3f375c19b753470a20c8a8bd0/1600.jpg)
Pokemon Japanese Vending · #138 · Jun 1998
Should You Grade?
The gem rate is only 29% — you'll need a very clean copy to hit PSA 10. Only 55 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.