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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 |
|---|---|---|---|---|---|---|
| $3.55 | $5.75 | $7.45 | $18.30 | $139.00 | $343.00 | |
| $3.35 | $5.75 | $8.85 | $29.10 | $114.00 | $525.00 | |
| $3.15 | $5.80 | $9.00 | $30.10 | $185.00 | $488.00 | |
| $2.70 | $4.95 | $8.05 | $27.60 | $189.00 | $780.00 | |
| $1.40 | $2.40 | $4.55 | $27.60 | $249.00 | $841.00 | |
| $2.20 | $4.20 | $7.85 | $24.20 | $192.00 | $530.00 | |
| $3.95 | $7.25 | $12.00 | $37.80 | $391.00 | $1,280.00 | |
| $6.10 | $10.80 | $21.40 | $50.00 | $282.00 | $788.00 | |
| $3.20 | $5.75 | $9.05 | $26.00 | $116.00 | $320.00 | |
| $2.80 | $5.15 | $8.05 | $21.60 | $138.00 | $360.00 | |
| $3.05 | $5.60 | $8.85 | $26.00 | $210.00 | $840.00 | |
| $2.95 | $5.95 | $9.75 | $25.10 | $135.00 | $474.00 | |
| $1.75 | $3.25 | $5.80 | $15.30 | $106.00 | $284.00 | |
| $2.40 | $4.15 | $6.90 | $17.70 | $109.00 | $330.00 | |
| $1.80 | $3.05 | $4.80 | $13.30 | $105.00 | $272.00 | |
| $2.00 | $3.75 | $6.15 | $14.90 | $90.90 | $255.00 | |
| $2.70 | $4.90 | $10.20 | $26.00 | $231.00 | $905.00 | |
| $2.15 | $4.45 | $7.35 | $21.40 | $247.00 | $685.00 | |
| $1.50 | $2.90 | $4.80 | $12.80 | $81.30 | $228.00 | |
| $2.95 | $6.45 | $12.50 | $26.80 | $202.00 | $622.00 | |
| $4.45 | $8.10 | $12.20 | $23.80 | $94.90 | $448.00 | |
| $5.85 | $11.90 | $17.90 | $39.20 | $176.00 | $683.00 | |
| $4.55 | $8.50 | $12.80 | $27.80 | $107.00 | $448.00 | |
| $9.30 | $17.30 | $26.00 | $48.40 | $166.00 | $819.00 | |
| $3.20 | $6.50 | $9.50 | $19.40 | $70.50 | $384.00 |
