![Koffing [1st Edition] #51 — Pokemon Base Set](/_next/image?url=https%3A%2F%2Fstorage.googleapis.com%2Fimages.pricecharting.com%2F1b63616249d70cc288e56b3b703eac7b54c6ec3f3fa3408112aebfb9dcc9d963%2F1600.jpg&w=3840&q=75)
Make this your analysis
2. Compare lower-grade outcomes3. Save your assumptionsConfirm edition, language and variant, inspect both sides, and check recent comparable sales. A model result is not a verified buy.
Pokemon Base Set · #51 · Jun 1995
Should You Grade?
The gem rate is only 22% — 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.
Compare the lower-grade reference prices below with your buy price, grading cost and selling fees. Shipping and tax reduce the result further. Missing prices do not establish a resale floor; a population gem rate is not your card's personal probability.
Save your buy price, grading tier and selling fee. Reopen later against the latest reference data, then save again after reviewing. This does not reserve a card or place an order.
Price history
Work through the sale alternative, grade risk and cost of tying up your money.
Compare a submission with the cash you could receive by selling the card today.
Read the sample size and grade distribution before modeling a grading return.
Choosing a submission service? Read the PSA prices and turnaround guide before committing your inventory.
