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| Detective Comics #178 | ||
| DC Comics, 12/51 | ||
| Win Mortimer cover, Lou Sayre Schwartz, | Full page ad for House of Mystery #1 | |
| Bob Kane, Charles Paris, Ruben Moreira, | ||
| Frank Bolle and Leonard Starr art | ||
| 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 | 40 | 5.95 | 0 0.00% | 0 0.00% | 0 0.0% | 1 2.5% | 0 2.5% | 2 7.5% | 0 7.5% | 3 15.0% | 4 25.0% | 0 25.0% | 4 35.0% | 4 45.0% | 1 47.5% | 5 60% | 6 75% | 2 80% | 2 85% | 3 93% | 1 95% | 1 98% | 0 98% | 1 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 1 | 2.50 | 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% | 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% |
| 1 BOOK | Qualified | 1 | 7.00 | 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% | 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% |
| Detective Comics #178 (1951, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 3% 1 9.6 | 0% 0 9.4 | 5% 2 9.2 | 0% 0 9.0 | 8% 3 8.5 | 10% 4 8.0 | 0% 0 7.5 | 10% 4 7.0 | 10% 4 6.5 | 3% 1 6.0 | 13% 5 5.5 | 15% 6 5.0 | 5% 2 4.5 | 5% 2 4.0 | 8% 3 3.5 | 3% 1 3.0 | 3% 1 2.5 | 0% 0 2.0 | 3% 1 1.8 | 0% 0 1.5 | 0% 0 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||