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| Action Comics #28 | ||
| DC Comics, 9/40 | ||
| Jerry Siegel and Gardner Fox stories | Paul Cassidy cover. | |
| Jack Burnley, Sheldon Moldoff, | Half page ad for All Star Comics #1 | |
| Fred Guardineer and Bernard Baily art | ||
| 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 | 89 | 4.48 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 1 1.1% | 1 2.2% | 1 3.4% | 4 7.9% | 2 10.1% | 5 15.7% | 4 20.2% | 2 22.5% | 6 29.2% | 4 33.7% | 7 41.6% | 13 56% | 4 61% | 4 65% | 7 73% | 6 80% | 6 87% | 3 90% | 2 92% | 3 96% | 4 100% |
| 1 BOOK | Restored | 13 | 4.60 | 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 7.7% | 0 7.7% | 1 15.4% | 1 23.1% | 1 30.8% | 1 38.5% | 1 46.2% | 1 54% | 2 69% | 1 77% | 0 77% | 0 77% | 2 92% | 1 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 3 | 2.77 | 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% | 1 33.3% | 0 33.3% | 0 33.3% | 0 33.3% | 0 33.3% | 0 33.3% | 0 33.3% | 0 33.3% | 0 33.3% | 1 67% | 0 67% | 0 67% | 1 100% |
| Action Comics #28 (1940, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 0% 0 9.6 | 1% 1 9.4 | 1% 1 9.2 | 1% 1 9.0 | 4% 4 8.5 | 2% 2 8.0 | 6% 5 7.5 | 4% 4 7.0 | 2% 2 6.5 | 7% 6 6.0 | 4% 4 5.5 | 8% 7 5.0 | 15% 13 4.5 | 4% 4 4.0 | 4% 4 3.5 | 8% 7 3.0 | 7% 6 2.5 | 7% 6 2.0 | 3% 3 1.8 | 2% 2 1.5 | 3% 3 1.0 | 4% 4 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||