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Unknown Worlds (1960 - 1967)
Best Synd. Features, American Comics Group, 57 issues

Issue GD VG FN VF NM NM/MT
51
$5.40 $8.30 $12.00 $28.90 $86.60 $372.00
52
$5.55 $8.45 $13.10 $29.20 $88.00 $376.00
53
$3.10 $5.75 $8.75 $20.70 $60.30 $271.00
54
$4.65 $7.60 $11.50 $27.00 $79.90 $348.00
55
$6.00 $9.05 $13.80 $32.70 $96.80 $415.00
56
$4.90 $8.00 $11.70 $27.60 $81.10 $356.00
57
$5.60 $8.25 $13.10 $29.00 $86.90 $372.00