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Challenge of the Unknown (1950 - 1950)
Ace Magazines, 1 issues
| Issue | GD | VG | FN | VF | NM | NM/MT |
|---|---|---|---|---|---|---|
| $181.00 | $312.00 | $530.00 | $1,400.00 | $3,990.00 | $6,750.00 |
