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| Iron Man #91 | ||
| Marvel Comics, 10/76 | ||
| Gerry Conway story | Controller & Blood Brother appearance. | |
| George Tuska & Bob Layton art | ||
| Herb Trimpe & Aubrey Bradford cover | ||
| 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 | 94 | 8.96 | 0 0.00% | 0 0.00% | 16 17.0% | 37 56% | 10 67% | 3 70% | 10 81% | 2 83% | 1 84% | 4 88% | 4 93% | 1 94% | 3 97% | 0 97% | 1 98% | 0 98% | 1 99% | 0 99% | 0 99% | 0 99% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 10 | 8.61 | 0 0.00% | 0 0.00% | 2 20.0% | 1 30.0% | 1 40.0% | 0 40.0% | 1 50% | 3 80% | 1 90% | 0 90% | 0 90% | 0 90% | 0 90% | 0 90% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 1 | 8.00 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Iron Man #91 (1976, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 17% 16 9.8 | 39% 37 9.6 | 11% 10 9.4 | 3% 3 9.2 | 11% 10 9.0 | 2% 2 8.5 | 1% 1 8.0 | 4% 4 7.5 | 4% 4 7.0 | 1% 1 6.5 | 3% 3 6.0 | 0% 0 5.5 | 1% 1 5.0 | 0% 0 4.5 | 1% 1 4.0 | 0% 0 3.5 | 0% 0 3.0 | 0% 0 2.5 | 1% 1 2.0 | 0% 0 1.8 | 0% 0 1.5 | 0% 0 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||