Is A Riddle for Robin #29 worth grading?
Entertainment · 1966 Topps Batman Riddler Back · full price guide →
Strong grading candidate — 23× premium in Grade 8
A Grade 8 A Riddle for Robin #29 sells for $275 against $11.92 raw: a $263 spread, 23× the ungraded price. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
- Raw (NM)
- $11.92
- Grade 8
- $275
- Gem premium
- 23×
- As of
- Aug 16, 2026
Break-even by outcome and fee
| If it comes back… | Sells for | Economy / bulk (~$25.00) | Standard (~$50.00) | Express (~$150) |
|---|---|---|---|---|
| Gem — Grade 8 | $275 | +$238 | +$213 | +$113 |
| PSA 8 | $275 | +$238 | +$213 | +$113 |
Net = sale price − $11.92 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.
Full grade ladder
Raw conditions & history →| Grade | Graded |
|---|---|
| 8 | $275 |
| 7 | $47.58 |
Run your own numbers
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Other 1966 Topps Batman Riddler Back cards worth checking
Full set checklist →Grading A Riddle for Robin #29 — FAQ
Is A Riddle for Robin #29 worth grading?
A Grade 8 A Riddle for Robin #29 sells for $275 against $11.92 raw: a $263 spread, 23× the ungraded price. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
Is your entertainment card centered well enough to grade?
Centering makes or breaks a PSA 10. Scan any card with Midpoint to measure its exact centering, get a grade estimate, and see what your copy is actually worth.
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