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| Iron Man #28 | ||
| Marvel Comics, 8/70 | ||
| Archie Goodwin story | 1st appearance of Howard Stark. | |
| Don Heck and Johnny Craig art | Controller appearance. | |
| Marie Severin and Mike Esposito 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 | 161 | 8.33 | 0 0.00% | 0 0.00% | 8 5.0% | 15 14.3% | 23 28.6% | 26 44.7% | 16 55% | 12 62% | 19 74% | 12 81% | 10 88% | 3 89% | 4 92% | 6 96% | 3 98% | 0 98% | 2 99% | 1 99% | 0 99% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 7 | 8.53 | 0 0.00% | 0 0.00% | 1 14.3% | 0 14.3% | 1 28.6% | 0 28.6% | 2 57% | 1 71% | 0 71% | 1 86% | 0 86% | 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% |
| 1 BOOK | Restored | 4 | 6.75 | 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% | 2 50% | 2 100% | 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 #28 (1970, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 5% 8 9.8 | 9% 15 9.6 | 14% 23 9.4 | 16% 26 9.2 | 10% 16 9.0 | 7% 12 8.5 | 12% 19 8.0 | 7% 12 7.5 | 6% 10 7.0 | 2% 3 6.5 | 2% 4 6.0 | 4% 6 5.5 | 2% 3 5.0 | 0% 0 4.5 | 1% 2 4.0 | 1% 1 3.5 | 0% 0 3.0 | 1% 1 2.5 | 0% 0 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 | ||||||||||||||||||||||||