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| Superboy #108 | ||
| DC Comics, 10/63 | ||
| Jerry Siegel story | ||
| Al Plastino and George Papp art | ||
| 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 | 13 | 6.03 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 1 7.7% | 0 7.7% | 1 15.4% | 1 23.1% | 1 30.8% | 1 38.5% | 0 38.5% | 1 46.2% | 2 62% | 1 69% | 1 77% | 0 77% | 1 85% | 0 85% | 0 85% | 1 92% | 0 92% | 0 92% | 0 92% | 0 92% | 1 100% |
| 1 BOOK | Restored | 1 | 7.50 | 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% | 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% |
| 1 BOOK | Qualified | 1 | 5.00 | 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% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Superboy #108 (1963, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 0% 0 9.6 | 8% 1 9.4 | 0% 0 9.2 | 8% 1 9.0 | 8% 1 8.5 | 8% 1 8.0 | 8% 1 7.5 | 0% 0 7.0 | 8% 1 6.5 | 15% 2 6.0 | 8% 1 5.5 | 8% 1 5.0 | 0% 0 4.5 | 8% 1 4.0 | 0% 0 3.5 | 0% 0 3.0 | 8% 1 2.5 | 0% 0 2.0 | 0% 0 1.8 | 0% 0 1.5 | 0% 0 1.0 | 8% 1 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||