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| House of Mystery #55 | ||
| DC Comics, 10/56 | ||
| Jim McArdle, Bernard Baily, Mort Meskin | ||
| and George Roussos art | ||
| Leonard Starr cover and 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 | 7 | 4.84 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 1 14.3% | 0 14.3% | 0 14.3% | 0 14.3% | 0 14.3% | 0 14.3% | 0 14.3% | 0 14.3% | 0 14.3% | 1 28.6% | 3 71% | 0 71% | 0 71% | 0 71% | 0 71% | 1 86% | 0 86% | 0 86% | 1 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 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% |
| House of Mystery #55 (1956, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 0% 0 9.6 | 14% 1 9.4 | 0% 0 9.2 | 0% 0 9.0 | 0% 0 8.5 | 0% 0 8.0 | 0% 0 7.5 | 0% 0 7.0 | 0% 0 6.5 | 0% 0 6.0 | 14% 1 5.5 | 43% 3 5.0 | 0% 0 4.5 | 0% 0 4.0 | 0% 0 3.5 | 0% 0 3.0 | 14% 1 2.5 | 0% 0 2.0 | 0% 0 1.8 | 14% 1 1.5 | 0% 0 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||