Underground Sea Grading Value — Is It Worth Grading?

Raw price: $899.02 | PSA 10 value: $1695.00 | Gem rate: 0.1%

Verdict: Maybe — only submit cards in pristine condition

Estimated grading ROI: 54% (assumes ~$20 PSA economy submission)

How to Decide

  1. Check the price gap: Raw $899.02 vs PSA 10 $1695.00
  2. Evaluate gem rate: 0.1% chance of PSA 10
  3. Calculate ROI: After $20 grading fee, ROI is ~54%
  4. Inspect condition: Only submit cards likely to grade 9+

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