![]() |

| Superboy #183 | ||
| DC Comics, 3/72 | ||
| Leo Dorfman and Cary Bates stories | Legion of Super-Heroes back-up story. | |
| Bob Brown, Murphy Anderson, | Origin and 1st appearance of Karkan. | |
| George Tuska and Vince Colletta art | New Legion costumes. | |
| 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 | 47 | 9.22 | 0 0.00% | 0 0.00% | 12 25.5% | 11 48.9% | 12 74% | 2 79% | 3 85% | 2 89% | 1 91% | 2 96% | 0 96% | 0 96% | 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% |
| 1 BOOK | Signature | 1 | 8.00 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 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% | 0 100% |
| Superboy #183 (1972, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 26% 12 9.8 | 23% 11 9.6 | 26% 12 9.4 | 4% 2 9.2 | 6% 3 9.0 | 4% 2 8.5 | 2% 1 8.0 | 4% 2 7.5 | 0% 0 7.0 | 0% 0 6.5 | 4% 2 6.0 | 0% 0 5.5 | 0% 0 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 | ||||||||||||||||||||||||