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| Iron Man #99 | ||
| Marvel Comics, 6/77 | ||
| Bill Mantlo story | Sunfire & Mandarin appearance. | |
| George Tuska & Mike Esposito art | ||
| Sal Buscema & Al Milgrom 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 | 319 | 9.32 | 0 0.00% | 0 0.00% | 77 24.1% | 127 64% | 58 82% | 16 87% | 15 92% | 7 94% | 3 95% | 5 97% | 1 97% | 1 97% | 2 98% | 0 98% | 0 98% | 2 98% | 2 99% | 1 99% | 1 100% | 0 100% | 0 100% | 1 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 13 | 9.04 | 0 0.00% | 0 0.00% | 6 46.2% | 3 69% | 1 77% | 0 77% | 0 77% | 2 92% | 0 92% | 0 92% | 0 92% | 0 92% | 0 92% | 0 92% | 0 92% | 0 92% | 0 92% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 1 | 9.40 | 0 0.00% | 0 0.00% | 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% | 0 100% | 0 100% | 0 100% | 0 100% |
| Iron Man #99 (1977, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 24% 77 9.8 | 40% 127 9.6 | 18% 58 9.4 | 5% 16 9.2 | 5% 15 9.0 | 2% 7 8.5 | 1% 3 8.0 | 2% 5 7.5 | 0% 1 7.0 | 0% 1 6.5 | 1% 2 6.0 | 0% 0 5.5 | 0% 0 5.0 | 1% 2 4.5 | 1% 2 4.0 | 0% 1 3.5 | 0% 1 3.0 | 0% 0 2.5 | 0% 0 2.0 | 0% 1 1.8 | 0% 0 1.5 | 0% 0 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||