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| Action Comics #300 | ||
| DC Comics, 5/63 | ||
| Edmond Hamilton story | Superman Revenge Squad appearance. | |
| Al Plastino and Jim Mooney art | Comet appearance in Supergirl story. | |
| Curt Swan and George Klein 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 | 125 | 7.07 | 0 0.00% | 0 0.00% | 0 0.0% | 3 2.4% | 10 10.4% | 10 18.4% | 14 29.6% | 12 39.2% | 10 47.2% | 13 58% | 7 63% | 7 69% | 5 73% | 5 77% | 7 82% | 4 86% | 7 91% | 3 94% | 4 97% | 2 98% | 0 98% | 1 99% | 0 99% | 1 100% | 0 100% |
| 1 BOOK | Qualified | 3 | 5.50 | 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 33.3% | 0 33.3% | 0 33.3% | 0 33.3% | 0 33.3% | 0 33.3% | 0 33.3% | 1 67% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 1 | 3.50 | 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% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Action Comics #300 (1963, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 2% 3 9.6 | 8% 10 9.4 | 8% 10 9.2 | 11% 14 9.0 | 10% 12 8.5 | 8% 10 8.0 | 10% 13 7.5 | 6% 7 7.0 | 6% 7 6.5 | 4% 5 6.0 | 4% 5 5.5 | 6% 7 5.0 | 3% 4 4.5 | 6% 7 4.0 | 2% 3 3.5 | 3% 4 3.0 | 2% 2 2.5 | 0% 0 2.0 | 1% 1 1.8 | 0% 0 1.5 | 1% 1 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||