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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 |
|---|---|---|---|---|---|---|
| $3.40 | $5.50 | $7.80 | $20.30 | $138.00 | $407.00 | |
| $3.25 | $5.55 | $8.95 | $28.30 | $114.00 | $499.00 | |
| $2.90 | $5.15 | $8.40 | $27.70 | $167.00 | $497.00 | |
| $2.80 | $4.95 | $8.40 | $27.80 | $193.00 | $777.00 | |
| $1.60 | $2.95 | $5.60 | $26.70 | $232.00 | $818.00 | |
| $2.35 | $4.30 | $8.00 | $26.30 | $192.00 | $600.00 | |
| $4.00 | $7.10 | $12.10 | $38.10 | $388.00 | $1,370.00 | |
| $6.15 | $10.60 | $20.50 | $52.60 | $278.00 | $865.00 | |
| $3.25 | $5.80 | $9.55 | $28.30 | $108.00 | $336.00 | |
| $2.75 | $4.90 | $8.10 | $22.80 | $129.00 | $376.00 | |
| $3.15 | $5.45 | $9.20 | $27.40 | $227.00 | $926.00 | |
| $3.60 | $6.65 | $11.50 | $26.50 | $132.00 | $476.00 | |
| $1.60 | $2.90 | $5.60 | $14.60 | $96.50 | $289.00 | |
| $2.40 | $4.10 | $7.10 | $18.40 | $106.00 | $353.00 | |
| $1.75 | $3.00 | $5.00 | $13.70 | $94.70 | $277.00 | |
| $2.05 | $3.70 | $6.25 | $15.20 | $87.00 | $273.00 | |
| $2.80 | $4.90 | $9.75 | $26.60 | $246.00 | $999.00 | |
| $2.45 | $4.75 | $8.25 | $24.30 | $237.00 | $760.00 | |
| $1.35 | $2.50 | $4.30 | $12.10 | $74.70 | $232.00 | |
| $3.20 | $6.40 | $12.20 | $29.60 | $203.00 | $681.00 | |
| $3.80 | $7.25 | $11.00 | $21.10 | $80.20 | $374.00 | |
| $5.35 | $10.90 | $16.60 | $36.20 | $158.00 | $658.00 | |
| $4.15 | $8.35 | $13.10 | $27.20 | $101.00 | $441.00 | |
| $8.75 | $16.40 | $24.40 | $44.80 | $152.00 | $731.00 | |
| $2.90 | $5.95 | $8.85 | $17.60 | $66.00 | $345.00 |
