Comic Series
Worlds Unknown
8 Issues
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91 sale records50 availableMay 1973
Worlds Unknown #1
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17 sale records33 availableJul 1973
Worlds Unknown #2
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17 sale records8 availableSep 1973
Worlds Unknown #3
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12 sale records51 availableNov 1973
Worlds Unknown #4
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16 sale records32 availableFeb 1974
Worlds Unknown #5
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27 sale records33 availableApr 1974
Worlds Unknown #6
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13 sale records20 availableJun 1974
Worlds Unknown #7
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6 sale records2 availableAug 1974
Worlds Unknown #8