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| DC Comics Presents #28 | ||
| DC Comics, 12/80 | ||
| Len Wein & Michael Tiefenbacher story | Supergirl. | |
| Jim Starlin, Gil Kane & | Mongul appearance. | |
| Romeo Tanghal art, Jim Starlin cover | Johnny Thunder backup story. | |
| 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 | 9.24 | 0 0.00% | 0 0.00% | 21 23.6% | 21 47.2% | 14 63% | 10 74% | 12 88% | 2 90% | 4 94% | 3 98% | 1 99% | 0 99% | 0 99% | 0 99% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 9 | 9.04 | 0 0.00% | 0 0.00% | 5 56% | 0 56% | 1 67% | 0 67% | 1 78% | 0 78% | 0 78% | 0 78% | 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% | 0 100% |
| 1 BOOK | Qualified | 2 | 8.25 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 50% | 0 50% | 0 50% | 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% |
| DC Comics Presents #28 (1980, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 24% 21 9.8 | 24% 21 9.6 | 16% 14 9.4 | 11% 10 9.2 | 13% 12 9.0 | 2% 2 8.5 | 4% 4 8.0 | 3% 3 7.5 | 1% 1 7.0 | 0% 0 6.5 | 0% 0 6.0 | 0% 0 5.5 | 1% 1 5.0 | 0% 0 4.5 | 0% 0 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 | ||||||||||||||||||||||||