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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 | $5.65 | $7.90 | $20.10 | $138.00 | $384.00 | |
| $3.25 | $5.65 | $9.00 | $29.10 | $114.00 | $498.00 | |
| $2.95 | $5.30 | $8.70 | $28.70 | $172.00 | $492.00 | |
| $2.80 | $4.95 | $8.40 | $28.00 | $195.00 | $778.00 | |
| $1.60 | $2.90 | $5.40 | $27.00 | $241.00 | $837.00 | |
| $2.35 | $4.30 | $8.05 | $26.10 | $192.00 | $572.00 | |
| $4.00 | $7.10 | $12.20 | $38.40 | $386.00 | $1,310.00 | |
| $6.10 | $10.60 | $20.80 | $52.20 | $277.00 | $822.00 | |
| $3.20 | $5.70 | $9.35 | $27.60 | $109.00 | $322.00 | |
| $2.75 | $4.90 | $8.10 | $22.60 | $130.00 | $362.00 | |
| $3.10 | $5.45 | $9.15 | $27.20 | $221.00 | $879.00 | |
| $3.50 | $6.60 | $11.40 | $26.40 | $132.00 | $463.00 | |
| $1.65 | $3.00 | $5.85 | $15.00 | $99.40 | $286.00 | |
| $2.45 | $4.20 | $7.30 | $18.50 | $106.00 | $338.00 | |
| $1.80 | $3.05 | $5.10 | $13.80 | $96.50 | $268.00 | |
| $2.10 | $3.80 | $6.50 | $15.40 | $87.30 | $261.00 | |
| $2.75 | $4.85 | $9.90 | $26.60 | $240.00 | $948.00 | |
| $2.25 | $4.40 | $7.60 | $22.50 | $236.00 | $721.00 | |
| $1.40 | $2.60 | $4.50 | $12.50 | $76.70 | $230.00 | |
| $3.15 | $6.35 | $12.30 | $29.00 | $201.00 | $648.00 | |
| $3.80 | $7.20 | $10.90 | $21.10 | $80.50 | $381.00 | |
| $5.25 | $10.70 | $16.30 | $35.70 | $155.00 | $644.00 | |
| $4.00 | $7.90 | $12.40 | $26.20 | $98.00 | $430.00 | |
| $8.55 | $16.00 | $23.90 | $44.10 | $149.00 | $730.00 | |
| $2.85 | $5.85 | $8.70 | $17.40 | $64.50 | $344.00 |
