$10.00
| Issue Number | 57 | Publisher | DC / National |
| Comic Age | Silver Age 1955-1969 | Collection/Pedigree | N/A |
| Condition | 6.5 Fine+ | Grading Company | N/A |
| Page Quality | Seal Rating | N/A |
CHALLENGERS OF THE UNKNOWN #57 6.5 Q
Bob Brown/Gaspar Saladino cover art. Qualified Grade: Top staple detached from front cover.