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| House of Mystery #175 | ||
| DC Comics, 7-8/68 | ||
| Joe Orlando, Jack Sparling and | 1st appearance of Cain. | |
| Sergio Aragon?s art | ||
| Neal Adams 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 | 126 | 7.48 | 0 0.00% | 0 0.00% | 0 0.0% | 2 1.6% | 7 7.1% | 9 14.3% | 17 27.8% | 18 42.1% | 10 50% | 12 60% | 12 69% | 6 74% | 11 83% | 10 90% | 7 96% | 2 98% | 1 98% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 4 | 5.38 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 25.0% | 0 25.0% | 0 25.0% | 1 50% | 0 50% | 0 50% | 0 50% | 0 50% | 1 75% | 0 75% | 0 75% | 0 75% | 0 75% | 0 75% | 0 75% | 1 100% | 0 100% | 0 100% |
| House of Mystery #175 (1968, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 2% 2 9.6 | 6% 7 9.4 | 7% 9 9.2 | 13% 17 9.0 | 14% 18 8.5 | 8% 10 8.0 | 10% 12 7.5 | 10% 12 7.0 | 5% 6 6.5 | 9% 11 6.0 | 8% 10 5.5 | 6% 7 5.0 | 2% 2 4.5 | 1% 1 4.0 | 2% 2 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 | ||||||||||||||||||||||||