Guardian TCG
GuardianTCG

Koffing Grading Value — Is It Worth Grading?

Raw price: $7.91 | PSA 10 value: $84.09 | Gem rate: 35.7%

Verdict: Likely Yes — good potential return if card is in great condition

Estimated grading ROI: 201% (assumes ~$20 PSA economy submission)

How to Decide

  1. Check the price gap: Raw $7.91 vs PSA 10 $84.09
  2. Evaluate gem rate: 35.7% chance of PSA 10
  3. Calculate ROI: After $20 grading fee, ROI is ~201%
  4. Inspect condition: Only submit cards likely to grade 9+