![Koffing [Series II] #109](https://storage.googleapis.com/images.pricecharting.com/aeoycyodkq7tk5sc/1600.jpg)
Pokemon Japanese Vending · #109 · Jun 1998
Should You Grade?
This card has strong grading potential — $26.69 profit if PSA 10 with a 39% gem rate and 169 annual sales. The market is liquid enough to sell quickly.
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.