Magikarp & Wailord GX SM166/248 SM Black Star Promos Pregrading Report
Card photos and centering analysis
This is a GradeValue pregrading report for Magikarp & Wailord GX SM166/248 SM Black Star Promos. Based on centering and surface analysis, the estimated grade is approximately PSA 10. Raw copies are worth about $78.90, while a graded PSA 10 is around $56,105.00. That works out to an estimated grading ROI of about 18.2x. Use this analysis to decide whether to grade it or keep it raw.
Grade
Estimated pregrade: PSA 10. This is a pre-submission estimate from centering and surface condition.
Centering
- Front: 52/48 top-to-bottom, 45/55 left-to-right
- Back: 52/48 top-to-bottom, 52/48 left-to-right
Corner analysis
- Front corners: 99/100
Value: raw vs graded
| Raw / ungraded | $78.90 |
|---|---|
| PSA 9 | $2,540.00 |
| PSA 10 | $56,105.00 |
| BGS 10 | $72,937.00 |
| CGC 10 | $33,663.00 |
| Estimated grading ROI | 18.2x |
How GradeValue pregrading works
GradeValue is a pregrading tool for trading cards. Upload front and back photos and it measures centering, flags surface defects, estimates a likely grade, and compares raw versus graded market value so you can decide whether a card is worth sending to PSA, CGC, or BGS.
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Related research
Grading ROI for the whole set, from live prices.
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Report updated October 21, 2026.