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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
$26.90 $42.10 $61.90 $144.00 $442.00 $930.00
52
$16.20 $26.50 $41.00 $92.70 $342.00 $1,070.00
53
$10.60 $19.20 $29.50 $42.50 $91.90 $350.00
54
$14.90 $25.00 $37.70 $52.60 $115.00 $430.00
55
$16.90 $26.50 $40.30 $57.40 $126.00 $462.00
56
$62.10 $106.00 $158.00 $229.00 $498.00 $1,860.00
57
$17.90 $27.70 $43.20 $57.90 $126.00 $464.00