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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
26
$11.40 $19.30 $30.10 $85.00 $560.00 $1,510.00
27
$9.70 $16.60 $26.50 $68.50 $456.00 $1,500.00
28
$8.30 $13.80 $24.20 $60.60 $406.00 $1,070.00
29
$8.90 $15.50 $24.00 $70.70 $442.00 $1,320.00
30
$8.40 $15.40 $25.30 $68.40 $409.00 $1,180.00
31
$8.75 $14.90 $23.50 $65.10 $446.00 $1,130.00
32
$5.75 $9.30 $16.60 $40.80 $286.00 $732.00
33
$7.90 $14.30 $24.70 $63.30 $472.00 $1,180.00
34
$8.90 $16.40 $27.30 $76.20 $570.00 $1,460.00
35
$5.75 $10.10 $17.00 $56.00 $504.00 $1,120.00
36
$7.70 $14.20 $22.20 $83.10 $508.00 $1,600.00
37
$6.40 $11.30 $18.60 $59.50 $462.00 $1,400.00
38
$2.20 $4.20 $6.70 $21.70 $171.00 $487.00
39
$3.05 $5.20 $8.40 $24.30 $158.00 $424.00
40
$6.65 $11.60 $18.20 $53.90 $362.00 $892.00
41
$6.05 $11.00 $17.40 $54.00 $164.00 $348.00
42
$4.70 $7.75 $12.60 $37.10 $262.00 $728.00
43
$4.70 $9.70 $17.30 $59.40 $468.00 $1,200.00
44
$3.10 $9.45 $17.30 $64.40 $412.00 $1,150.00
45
$3.15 $6.20 $9.65 $31.10 $243.00 $676.00
46
$2.25 $3.40 $4.55 $10.30 $75.70 $231.00
47
$3.95 $6.80 $10.70 $25.90 $166.00 $432.00
48
$2.35 $4.10 $7.65 $25.70 $88.70 $473.00
49
$3.10 $5.45 $8.55 $26.80 $180.00 $452.00
50
$4.25 $7.35 $11.90 $32.80 $215.00 $563.00