Is Showdown on the Sea #37 worth grading?
Entertainment · 1966 Topps Batman Riddler Back · full price guide →
Strong grading candidate — 11× premium in Grade 7
A Grade 7 Showdown on the Sea #37 sells for $49.95 against $4.45 raw: a $45.50 spread, 11× the ungraded price. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
- Raw (NM)
- $4.45
- Grade 7
- $49.95
- Gem premium
- 11×
- 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 7 | $49.95 | +$20.50 | −$4.50 | −$105 |
Net = sale price − $4.45 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 |
|---|---|
| 7 | $49.95 |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other 1966 Topps Batman Riddler Back cards worth checking
Full set checklist →Grading Showdown on the Sea #37 — FAQ
Is Showdown on the Sea #37 worth grading?
A Grade 7 Showdown on the Sea #37 sells for $49.95 against $4.45 raw: a $45.50 spread, 11× 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.
Check my card free