![Marco [Full Art PRB01] OP02-018](https://storage.googleapis.com/images.pricecharting.com/s3fl5i65msxrn4ao/1600.jpg)
One Piece Japanese Paramount War · #018 · Mar 2023
Should You Grade?
Negative expected value ($-1.26) — while a PSA 10 would be profitable, the probability-weighted outcome across all grades means you lose money on average at this grading tier. Only 1 sales per year — it may take time to find a buyer at full price. PSA 10 profit of $0.01 is thin — grading fees and selling costs eat most of the margin.
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.