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| Detective Comics #351 | ||
| DC Comics, 5/66 | ||
| Gardner Fox story | 1st appearance of Cluemaster. | |
| Carmine Infantino and Sid Greene art | Flash cameo in Elongated Man story. | |
| Infantino and Anderson cover | Elongated Man dons new costume. | |
| 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 | 79 | 7.35 | 0 0.00% | 0 0.00% | 1 1.3% | 2 3.8% | 8 13.9% | 4 19.0% | 7 27.8% | 8 38.0% | 12 53% | 6 61% | 7 70% | 5 76% | 3 80% | 4 85% | 2 87% | 5 94% | 2 96% | 0 96% | 1 97% | 1 99% | 0 99% | 0 99% | 0 99% | 0 99% | 1 100% |
| 1 BOOK | Signature | 1 | 5.50 | 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% | 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% |
| Detective Comics #351 (1966, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 1% 1 9.8 | 3% 2 9.6 | 10% 8 9.4 | 5% 4 9.2 | 9% 7 9.0 | 10% 8 8.5 | 15% 12 8.0 | 8% 6 7.5 | 9% 7 7.0 | 6% 5 6.5 | 4% 3 6.0 | 5% 4 5.5 | 3% 2 5.0 | 6% 5 4.5 | 3% 2 4.0 | 0% 0 3.5 | 1% 1 3.0 | 1% 1 2.5 | 0% 0 2.0 | 0% 0 1.8 | 0% 0 1.5 | 0% 0 1.0 | 1% 1 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||