Is A Riddle for Robin #29 worth grading?
Entertainment · 1966 Topps Batman Riddler Back · full price guide →
Strong grading candidate — 28× premium in Grade 8
A Grade 8 A Riddle for Robin #29 sells for $275 against $9.99 raw: a $265 spread, 28× the ungraded price. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
- Raw (NM)
- $9.99
- Grade 8
- $275
- Gem premium
- 28×
- As of
- Oct 4, 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 | +$240 | +$215 | +$115 |
| PSA 8 | $275 | +$240 | +$215 | +$115 |
Net = sale price − $9.99 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.
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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 $9.99 raw: a $265 spread, 28× the ungraded price. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
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