Holon Mentor Grading Value — Is It Worth Grading?

Raw price: $5.29 | PSA 10 value: $143.38 | Gem rate: 0.4%

Verdict: Maybe — only submit cards in pristine condition

Estimated grading ROI: 236% (assumes ~$20 PSA economy submission)

How to Decide

  1. Check the price gap: Raw $5.29 vs PSA 10 $143.38
  2. Evaluate gem rate: 0.4% chance of PSA 10
  3. Calculate ROI: After $20 grading fee, ROI is ~236%
  4. Inspect condition: Only submit cards likely to grade 9+

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