Is Darryl Sittler [Square Corners] #20 worth grading?
Hockey · Hockey Cards 1977 O-Pee-Chee Glossy · full price guide →
Grading rarely pays for this card
Grade 9.5 copies of Darryl Sittler [Square Corners] #20 sell for $13.00, only $10.74 above the $2.26 raw price — less than an economy-tier grading fee. A PSA 9 ($12.06) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.
- Raw (NM)
- $2.26
- Grade 9.5
- $13.00
- PSA 9
- $12.06
- Gem premium
- 5.8×
- As of
- Sep 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 9.5 | $13.00 | −$14.26 | −$39.26 | −$139 |
| PSA 9 | $12.06 | −$15.20 | −$40.20 | −$140 |
Net = sale price − $2.26 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.
Expected value — how often does it need to gem?
| Chance it gems | Expected sale | Expected net (standard fee) |
|---|---|---|
| 25% | $12.29 | −$39.97 |
| 50% | $12.53 | −$39.73 |
| 75% | $12.77 | −$39.49 |
At the standard fee this submission does not break even at any realistic gem rate unless the miss lands above the 9 price.
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Raw conditions & history →Run your own numbers
Should I pay this?
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Other 1977 O-Pee-Chee Glossy cards worth checking
Full set checklist →![Ken Dryden [Square Corners] #5 1977 O-Pee-Chee Glossy card](https://i.ebayimg.com/images/g/UjIAAeSw3WpqDm5Z/s-l500.jpg)
![Ken Dryden [Round Corners] #5 1977 O-Pee-Chee Glossy card](https://i.ebayimg.com/images/g/3XwAAeSwvmNqdGpu/s-l500.jpg)
Grading Darryl Sittler [Square Corners] #20 — FAQ
Is Darryl Sittler [Square Corners] #20 worth grading?
Grade 9.5 copies of Darryl Sittler [Square Corners] #20 sell for $13.00, only $10.74 above the $2.26 raw price — less than an economy-tier grading fee. A PSA 9 ($12.06) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.
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