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| Detective Comics #347 | ||
| DC Comics, 1/66 | ||
| Gardner Fox story | Gardner Fox appearance. | |
| Infantino, Giella and Greene art | Justice League cameo. | |
| Infantino and Anderson 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 | 85 | 7.77 | 0 0.00% | 0 0.00% | 3 3.5% | 9 14.1% | 12 28.2% | 10 40.0% | 4 44.7% | 9 55% | 10 67% | 3 71% | 4 75% | 1 76% | 3 80% | 5 86% | 1 87% | 3 91% | 3 94% | 2 96% | 2 99% | 0 99% | 0 99% | 0 99% | 1 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 2 | 5.25 | 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% | 1 50% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Detective Comics #347 (1966, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 4% 3 9.8 | 11% 9 9.6 | 14% 12 9.4 | 12% 10 9.2 | 5% 4 9.0 | 11% 9 8.5 | 12% 10 8.0 | 4% 3 7.5 | 5% 4 7.0 | 1% 1 6.5 | 4% 3 6.0 | 6% 5 5.5 | 1% 1 5.0 | 4% 3 4.5 | 4% 3 4.0 | 2% 2 3.5 | 2% 2 3.0 | 0% 0 2.5 | 0% 0 2.0 | 0% 0 1.8 | 1% 1 1.5 | 0% 0 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||