Koffing Grading Value — Is It Worth Grading?

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

Estimated grading ROI: 226% (assumes ~$20 PSA economy submission)

How to Decide

1. Check the price gap: Raw $29.80 vs PSA 10 $171.85
2. Evaluate gem rate: 20.6% chance of PSA 10
3. Calculate ROI: After $20 grading fee, ROI is ~226%
4. Inspect condition: Only submit cards likely to grade 9+

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