![]() |

| Detective Comics #400 | ||
| Brazilian Edition | Editora Brasil-America, 5/71 | Brazil |
| Frank Robbins and Denny O'Neil stories | Origin and 1st appearance of Man-Bat. | |
| Neal Adams, Dick Giordano, Gil Kane and | 1st Robin and Batgirl team-up story. | |
| Vince Colletta art, Neal Adams cover | 400th anniversary issue. | |
| 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 | 4 | 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% | 1 25.0% | 0 25.0% | 1 50% | 0 50% | 0 50% | 0 50% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Detective Comics #400 Brazilian Edition (1971, Editora Brasil-America) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 0% 0 9.6 | 0% 0 9.4 | 0% 0 9.2 | 0% 0 9.0 | 0% 0 8.5 | 0% 0 8.0 | 0% 0 7.5 | 25% 1 7.0 | 0% 0 6.5 | 25% 1 6.0 | 0% 0 5.5 | 0% 0 5.0 | 0% 0 4.5 | 50% 2 4.0 | 0% 0 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 | ||||||||||||||||||||||||