Compare Bob Trowbridge [White Back] values across different grades. See whether grading is worth it based on current prices and PSA gem rates.
Price by Grade
| Grade | Guardian Estimate | Premium vs Raw |
|---|
| Raw / Ungraded | $2.06 | — |
| PSA 8 | $30.30 | +1371% |
| PSA 9 | $199.15 | +9567% |
| PSA 10 Gem Mint | $441.93 | +21353% |
Frequently Asked Questions
Is Bob Trowbridge [White Back] worth grading? A PSA 10 Bob Trowbridge [White Back] is worth $441.93 vs $2.06 raw — a 21353% premium.
What is Bob Trowbridge [White Back] PSA 10 worth? $441.93 as of September 2026.