Blastoise 037/165 Expedition Base Set Pregrading Report
Card photos and centering analysis
This is a GradeValue pregrading report for Blastoise 037/165 Expedition Base Set. Based on centering and surface analysis, the estimated grade is approximately PSA 8. Raw copies are worth about $90.88, while a graded PSA 10 is around $1,174.75. That works out to an estimated grading ROI of about 1.1x. Use this analysis to decide whether to grade it or keep it raw.
Grade
Estimated pregrade: PSA 8. This is a pre-submission estimate from centering and surface condition.
Centering
- Front: 48/52 top-to-bottom, 48/52 left-to-right
Surface condition
2 surface defects flagged (2 on the front). Noted types: unclassified.
Value: raw vs graded
| Raw / ungraded | $90.88 |
|---|---|
| PSA 9 | $220.47 |
| PSA 10 | $1,174.75 |
| BGS 10 | $1,527.00 |
| CGC 10 | $152.50 |
| Estimated grading ROI | 1.1x |
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 September 29, 2026.