$90.00
| Issue Number | 12 | Publisher | DC / National |
| Comic Age | Silver Age 1955-1969 | Collection/Pedigree | N/A |
| Condition | 6.0 Fine | Grading Company | CGC |
| Page Quality | LT/OW | Seal Rating | N/A |
CHALLENGERS OF THE UNKNOWN #12 CGC 6.0 LT/OW PAGES
1st appearance of Challenger Mountain. Pressed.