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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 |
|---|---|---|---|---|---|---|
| $3.50 | $5.70 | $7.50 | $18.80 | $138.00 | $351.00 | |
| $3.30 | $5.75 | $8.85 | $29.20 | $114.00 | $510.00 | |
| $3.05 | $5.60 | $8.85 | $29.60 | $181.00 | $487.00 | |
| $2.70 | $4.95 | $8.05 | $27.60 | $194.00 | $780.00 | |
| $1.50 | $2.65 | $4.85 | $27.50 | $251.00 | $849.00 | |
| $2.25 | $4.25 | $7.85 | $24.70 | $192.00 | $536.00 | |
| $3.90 | $7.15 | $11.90 | $37.80 | $391.00 | $1,280.00 | |
| $6.05 | $10.70 | $21.00 | $50.60 | $280.00 | $792.00 | |
| $3.10 | $5.60 | $8.80 | $25.80 | $111.00 | $308.00 | |
| $2.75 | $5.05 | $8.00 | $21.90 | $135.00 | $357.00 | |
| $3.05 | $5.55 | $8.85 | $26.30 | $214.00 | $845.00 | |
| $3.15 | $6.25 | $10.30 | $25.50 | $134.00 | $466.00 | |
| $1.70 | $3.15 | $5.80 | $15.20 | $104.00 | $283.00 | |
| $2.40 | $4.15 | $7.00 | $18.00 | $108.00 | $330.00 | |
| $1.80 | $3.05 | $4.85 | $13.40 | $102.00 | $268.00 | |
| $2.05 | $3.80 | $6.25 | $15.00 | $89.60 | $255.00 | |
| $2.70 | $4.85 | $10.00 | $26.10 | $235.00 | $911.00 | |
| $2.15 | $4.40 | $7.35 | $21.70 | $243.00 | $691.00 | |
| $1.45 | $2.80 | $4.65 | $12.70 | $79.80 | $227.00 | |
| $3.00 | $6.40 | $12.30 | $27.50 | $202.00 | $625.00 | |
| $4.35 | $8.00 | $12.10 | $23.60 | $92.50 | $439.00 | |
| $5.80 | $11.80 | $17.80 | $39.10 | $173.00 | $691.00 | |
| $4.45 | $8.45 | $12.90 | $27.90 | $106.00 | $456.00 | |
| $9.30 | $17.30 | $25.90 | $48.30 | $165.00 | $815.00 | |
| $3.15 | $6.40 | $9.45 | $19.30 | $70.20 | $381.00 |
