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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 |
|---|---|---|---|---|---|---|
| $4.95 | $8.00 | $14.60 | $36.90 | $358.00 | $572.00 | |
| $3.55 | $5.40 | $8.65 | $27.80 | $190.00 | $527.00 | |
| $4.25 | $7.35 | $11.70 | $39.60 | $229.00 | $450.00 | |
| $6.35 | $9.80 | $17.70 | $49.30 | $210.00 | $780.00 | |
| $3.55 | $8.05 | $12.80 | $19.90 | $202.00 | $595.00 | |
| $3.40 | $6.00 | $13.50 | $34.30 | $192.00 | $484.00 | |
| $10.80 | $16.30 | $28.40 | $74.40 | $595.00 | $1,340.00 | |
| $5.35 | $9.35 | $24.50 | $42.20 | $300.00 | $834.00 | |
| $3.10 | $5.50 | $9.70 | $23.60 | $138.00 | $353.00 | |
| $2.50 | $4.75 | $8.05 | $17.60 | $145.00 | $336.00 | |
| $2.50 | $4.65 | $8.25 | $22.00 | $135.00 | $692.00 | |
| $2.90 | $5.90 | $10.60 | $26.70 | $138.00 | $521.00 | |
| $2.20 | $4.15 | $7.75 | $18.40 | $134.00 | $256.00 | |
| $2.60 | $4.25 | $8.75 | $21.00 | $138.00 | $350.00 | |
| $1.95 | $3.10 | $5.35 | $14.30 | $148.00 | $283.00 | |
| $2.15 | $4.10 | $7.35 | $16.80 | $115.00 | $250.00 | |
| $2.30 | $4.65 | $12.00 | $25.40 | $156.00 | $654.00 | |
| $2.70 | $4.85 | $8.35 | $16.40 | $245.00 | $501.00 | |
| $1.75 | $3.45 | $6.15 | $14.80 | $97.70 | $224.00 | |
| $3.00 | $7.65 | $17.30 | $23.50 | $181.00 | $463.00 | |
| $5.15 | $10.20 | $10.20 | $17.10 | $68.70 | $255.00 | |
| $6.45 | $9.45 | $18.40 | $28.90 | $132.00 | $410.00 | |
| $4.80 | $11.00 | $14.50 | $19.50 | $73.60 | $250.00 | |
| $12.40 | $24.00 | $24.00 | $51.30 | $192.00 | $589.00 | |
| $3.60 | $10.20 | $10.20 | $17.20 | $66.10 | $275.00 |
