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| Superman #91 | ||
| DC Comics, 8/54 | ||
| Bill Woolfolk and Alvin Schwartz stories | Full page ad for Congo Bill #1 | |
| Wayne Boring art | ||
| Al Plastino cover and art | ||
| Books | CGC Label | CGC Total | Avg. Grade | 10 | 9.9 | 9.8 | 9.6 | 9.4 | 9.2 | 9.0 | 8.5 | 8.0 | 7.5 | 7.0 | 6.5 | 6.0 | 5.5 | 5.0 | 4.5 | 4.0 | 3.5 | 3.0 | 2.5 | 2.0 | 1.8 | 1.5 | 1.0 | 0.5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 BOOK | Universal | 72 | 4.73 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 1.4% | 2 4.2% | 1 5.6% | 2 8.3% | 4 13.9% | 7 23.6% | 4 29.2% | 7 38.9% | 8 50% | 4 56% | 8 67% | 9 79% | 5 86% | 4 92% | 2 94% | 1 96% | 1 97% | 1 99% | 1 100% |
| 1 BOOK | Restored | 7 | 4.74 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 1 14.3% | 0 14.3% | 0 14.3% | 0 14.3% | 0 14.3% | 0 14.3% | 0 14.3% | 0 14.3% | 0 14.3% | 2 42.9% | 1 57% | 1 71% | 1 86% | 0 86% | 0 86% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 1 | 3.00 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Superman #91 (1954, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 0% 0 9.6 | 0% 0 9.4 | 0% 0 9.2 | 1% 1 9.0 | 3% 2 8.5 | 1% 1 8.0 | 3% 2 7.5 | 6% 4 7.0 | 10% 7 6.5 | 6% 4 6.0 | 10% 7 5.5 | 11% 8 5.0 | 6% 4 4.5 | 11% 8 4.0 | 13% 9 3.5 | 7% 5 3.0 | 6% 4 2.5 | 3% 2 2.0 | 1% 1 1.8 | 1% 1 1.5 | 1% 1 1.0 | 1% 1 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||