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Challengers of the Unknown (1958 - 1978)
National Periodical Publications, DC Comics, 87 issues
| Issue | GD | VG | FN | VF | NM | NM/MT |
|---|---|---|---|---|---|---|
| $3.35 | $5.45 | $7.95 | $20.70 | $138.00 | $428.00 | |
| $3.25 | $5.50 | $8.90 | $27.60 | $114.00 | $500.00 | |
| $2.85 | $5.10 | $8.40 | $27.10 | $163.00 | $503.00 | |
| $2.85 | $5.05 | $8.70 | $27.90 | $191.00 | $777.00 | |
| $1.60 | $3.00 | $5.80 | $26.30 | $224.00 | $801.00 | |
| $2.40 | $4.35 | $8.20 | $26.80 | $192.00 | $626.00 | |
| $4.05 | $7.20 | $12.50 | $38.30 | $393.00 | $1,440.00 | |
| $6.25 | $10.80 | $21.00 | $53.80 | $282.00 | $915.00 | |
| $3.35 | $6.00 | $10.10 | $29.40 | $107.00 | $348.00 | |
| $2.80 | $4.95 | $8.40 | $23.30 | $129.00 | $393.00 | |
| $3.20 | $5.60 | $9.60 | $28.00 | $235.00 | $980.00 | |
| $3.55 | $6.50 | $11.40 | $26.40 | $133.00 | $493.00 | |
| $1.60 | $2.85 | $5.55 | $14.40 | $94.10 | $292.00 | |
| $2.40 | $4.10 | $7.20 | $18.70 | $107.00 | $371.00 | |
| $1.75 | $3.00 | $5.10 | $13.80 | $93.80 | $288.00 | |
| $2.05 | $3.65 | $6.25 | $15.30 | $87.50 | $287.00 | |
| $2.85 | $5.00 | $10.00 | $27.00 | $254.00 | $1,060.00 | |
| $2.70 | $5.15 | $9.20 | $26.50 | $240.00 | $805.00 | |
| $1.35 | $2.45 | $4.25 | $11.90 | $73.00 | $235.00 | |
| $3.35 | $6.55 | $12.60 | $30.80 | $206.00 | $720.00 | |
| $3.75 | $7.25 | $11.00 | $21.10 | $79.80 | $367.00 | |
| $5.35 | $10.90 | $16.60 | $36.40 | $160.00 | $666.00 | |
| $4.25 | $8.65 | $13.50 | $27.90 | $103.00 | $448.00 | |
| $8.80 | $16.50 | $24.40 | $45.00 | $153.00 | $724.00 | |
| $2.95 | $6.10 | $9.10 | $18.10 | $67.50 | $343.00 |
