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| Action Comics #306 | ||
| DC Comics, 11/63 | ||
| Leo Dorfman story | Super-pets appearance. | |
| Al Plastino and Jim Mooney art | Full page ad for Flash Annual #1 | |
| 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 | 20 | 7.56 | 0 0.00% | 0 0.00% | 0 0.0% | 2 10.0% | 2 20.0% | 1 25.0% | 3 40.0% | 2 50% | 2 60% | 1 65% | 1 70% | 0 70% | 1 75% | 1 80% | 2 90% | 0 90% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 1 | 4.00 | 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% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Action Comics #306 (1963, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 10% 2 9.6 | 10% 2 9.4 | 5% 1 9.2 | 15% 3 9.0 | 10% 2 8.5 | 10% 2 8.0 | 5% 1 7.5 | 5% 1 7.0 | 0% 0 6.5 | 5% 1 6.0 | 5% 1 5.5 | 10% 2 5.0 | 0% 0 4.5 | 10% 2 4.0 | 0% 0 3.5 | 0% 0 3.0 | 0% 0 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 | ||||||||||||||||||||||||