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Challengers of the Unknown #4
November, 1958
Cover Price: $0.10
2 copies available from $15.00
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| Jack Kirby, Henry Boltinoff, Jack Schiff | Jack Kirby, Henry Boltinoff, Win Mortimer |
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Challengers of the Unknown #10
November, 1959
Cover Price: $0.10
2 copies available from $57.00
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| France Edward Herron | Bob Brown |
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Challengers of the Unknown #11
January, 1960
Cover Price: $0.10
1 copy available for $12.60
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| | Bob Brown |
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Challengers of the Unknown #12
March, 1960
Cover Price: $0.10
1 copy available for $25.00
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| | Bob Brown |
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Challengers of the Unknown #13
May, 1960
Cover Price: $0.10
1 copy available for $55.00
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| | Bob Brown |
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Challengers of the Unknown #14
July, 1960
Cover Price: $0.10
1 copy available for $41.00
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| France Edward Herron | Bob Brown |
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Challengers of the Unknown #15
September, 1960
Cover Price: $0.10
1 copy available for $17.00
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| | Bob Brown |
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Challengers of the Unknown #17
January, 1961
Cover Price: $0.10
1 copy available for $80.00
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| | Bob Brown, Henry Boltinoff |
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Challengers of the Unknown #18
March, 1961
Cover Price: $0.10
2 copies available from $15.00
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| | Henry Boltinoff |
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Challengers of the Unknown #19
May, 1961
Cover Price: $0.10
1 copy available for $6.00
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| | Bob Brown |
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Challengers of the Unknown #20
July, 1961
Cover Price: $0.10
1 copy available for $25.00
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| | Bob Brown |
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Challengers of the Unknown #21
September, 1961
Cover Price: $0.10
1 copy available for $27.00
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| | Bob Brown, Henry Boltinoff |
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Challengers of the Unknown #22
November, 1961
Cover Price: $0.10
1 copy available for $15.00
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| | Bob Brown, Henry Boltinoff |
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Challengers of the Unknown #24
March, 1962
Cover Price: $0.12
2 copies available from $25.00
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| Arnold Drake, Henry Boltinoff | Bob Brown, Henry Boltinoff |
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Challengers of the Unknown #28
November, 1962
Cover Price: $0.12
2 copies available from $11.00
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| | Henry Boltinoff |
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Challengers of the Unknown #29
January, 1963
Cover Price: $0.12
1 copy available for $18.00
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Challengers of the Unknown #30
March, 1963
Cover Price: $0.12
3 copies available from $9.00
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Challengers of the Unknown #31
May, 1963
Cover Price: $0.12
1 copy available for $18.00
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Challengers of the Unknown #32
July, 1963
Cover Price: $0.12
1 copy available for $9.00
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| France Edward Herron, Henry Boltinoff, Jack Schiff, Arnold Drake | Bob Brown, Henry Boltinoff, Arnold Drake |
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Challengers of the Unknown #33
September, 1963
Cover Price: $0.12
3 copies available from $5.98
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| | Bob Brown |
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Challengers of the Unknown #34
November, 1963
Cover Price: $0.12
2 copies available from $8.50
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| Henry Boltinoff | Henry Boltinoff |
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Challengers of the Unknown #35
January, 1964
Cover Price: $0.12
4 copies available from $7.00
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| Arnold Drake, Henry Boltinoff | Bob Brown, Henry Boltinoff |
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Challengers of the Unknown #36
March, 1964
Cover Price: $0.12
4 copies available from $7.00
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| Henry Boltinoff | Bob Brown, Henry Boltinoff |
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Challengers of the Unknown #37
May, 1964
Cover Price: $0.12
3 copies available from $15.00
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| Arnold Drake, Ed Herron, Henry Boltinoff | Bob Brown, Henry Boltinoff |
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Challengers of the Unknown #38
July, 1964
Cover Price: $0.12
3 copies available from $10.00
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| Jack Schiff, Arnold Drake, Henry Boltinoff, Ed Herron | Sheldon Moldoff, Bob Brown, Henry Boltinoff |
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Challengers of the Unknown #39
September, 1964
Cover Price: $0.12
4 copies available from $5.28
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| | Bob Brown |
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Challengers of the Unknown #40
November, 1964
Cover Price: $0.12
2 copies available from $9.00
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| France Edward Herron, Arnold Drake, Jack Schiff, Henry Boltinoff | Bob Brown, Sheldon Moldoff, Henry Boltinoff |
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Challengers of the Unknown #41
January, 1965
Cover Price: $0.12
1 copy available for $18.00
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Challengers of the Unknown #43
May, 1965
Cover Price: $0.12
3 copies available from $3.00
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| Henry Boltinoff | Henry Boltinoff |
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Challengers of the Unknown #46
November, 1965
Cover Price: $0.12
1 copy available for $15.00
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| Bill Finger, Henry Boltinoff | Bob Brown, Henry Boltinoff |
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Challengers of the Unknown #50
July, 1966
Cover Price: $0.12
1 copy available for $4.50
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| France Edward Herron | Bob Brown |
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Challengers of the Unknown #51
September, 1966
Cover Price: $0.12
3 copies available from $10.00
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| Bill Finger | Bob Brown |
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Challengers of the Unknown #52
November, 1966
Cover Price: $0.12
3 copies available from $4.00
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| France Edward Herron | Bob Brown |
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Challengers of the Unknown #53
January, 1967
Cover Price: $0.12
4 copies available from $2.50
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| France Edward Herron | Bob Brown |
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Challengers of the Unknown #54
March, 1967
Cover Price: $0.12
2 copies available from $9.00
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| France Edward Herron | Bob Brown |
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Challengers of the Unknown #55
May, 1967
Cover Price: $0.12
5 copies available from $9.00
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| Arnold Drake, Henry Boltinoff | Bob Brown, Henry Boltinoff |
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Challengers of the Unknown #56
July, 1967
Cover Price: $0.12
2 copies available from $8.50
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| Arnold Drake | Bob Brown |
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Challengers of the Unknown #57
September, 1967
Cover Price: $0.12
2 copies available from $9.00
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| Arnold Drake | Bob Brown |
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Challengers of the Unknown #58
November, 1967
Cover Price: $0.12
3 copies available from $3.00
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| Arnold Drake | Bob Brown |
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Challengers of the Unknown #59
January, 1968
Cover Price: $0.12
4 copies available from $7.50
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| Arnold Drake, Henry Boltinoff | Bob Brown, Henry Boltinoff |
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Challengers of the Unknown #60
March, 1968
Cover Price: $0.12
1 copy available for $12.00
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| Arnold Drake, France Edward Herron | Bob Brown |
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Challengers of the Unknown #61
May, 1968
Cover Price: $0.12
2 copies available from $7.00
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| Arnold Drake | Bob Brown |
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Challengers of the Unknown #62
July, 1968
Cover Price: $0.12
2 copies available from $4.50
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| Arnold Drake | Bob Brown |
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Challengers of the Unknown #63
September, 1968
Cover Price: $0.12
4 copies available from $5.95
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| Arnold Drake | Bob Brown, Jack Abel |
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Challengers of the Unknown #64
November, 1968
Cover Price: $0.12
2 copies available from $3.75
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| Robert Kanigher | Jack Sparling, Jack Kirby |
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Challengers of the Unknown #65
January, 1969
Cover Price: $0.12
1 copy available for $6.00
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| Robert Kanigher | Jack Sparling, Jack Kirby |
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Challengers of the Unknown #66
March, 1969
Cover Price: $0.12
2 copies available from $13.50
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| Mike Friedrich, Morris Waldinger | Jack Sparling, Morris Waldinger |
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Challengers of the Unknown #67
May, 1969
Cover Price: $0.12
4 copies available from $3.50
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| Robert Kanigher | Jack Sparling |
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Challengers of the Unknown #68
July, 1969
Cover Price: $0.12
1 copy available for $4.75
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| Dennis O’Neil | Jack Sparling, Vince Colletta |
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Challengers of the Unknown #69
September, 1969
Cover Price: $0.15
4 copies available from $4.00
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| Dennis O’Neil | Jack Sparling |
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Challengers of the Unknown #70
November, 1969
Cover Price: $0.15
2 copies available from $35.00
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| Dennis O’Neil | Jack Sparling |
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Challengers of the Unknown #71
January, 1970
Cover Price: $0.15
2 copies available from $4.50
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| Dennis O’Neil, Murray Boltinoff | Jack Sparling, Nick Cardy |
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Challengers of the Unknown #73
May, 1970
Cover Price: $0.15
1 copy available for $4.75
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| Dennis O’Neil, Murray Boltinoff | George Tuska, Dick Dillin |
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Challengers of the Unknown #74
July, 1970
Cover Price: $0.15
5 copies available from $3.78
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| Dennis O’Neil, Murray Boltinoff | George Tuska, Neal Adams, Henry Boltinoff, Bernie Wrightson |
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Challengers of the Unknown #75
September, 1970
Cover Price: $0.15
4 copies available from $5.00
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| | Jack Kirby, George Tuska |
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Challengers of the Unknown #76
November, 1970
Cover Price: $0.15
5 copies available from $3.25
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| Henry Boltinoff | Jack Kirby, Henry Boltinoff |
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Challengers of the Unknown #77
January, 1971
Cover Price: $0.15
5 copies available from $7.50
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| | Jack Kirby |
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Challengers of the Unknown #78
February, 1973
Cover Price: $0.20
7 copies available from $3.57
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| France Edward Herron | Jack Kirby |
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Challengers of the Unknown #79
April, 1973
Cover Price: $0.20
6 copies available from $3.25
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| Jack Kirby, Dave Wood | Jack Kirby |
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Challengers of the Unknown #80
July, 1973
Cover Price: $0.20
8 copies available from $3.60
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| Jack Kirby, Dave Wood | Jack Kirby, Nick Cardy |
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Challengers of the Unknown #81
July, 1977
Cover Price: $0.35
14 copies available from $2.86
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| Gerry Conway | Mike Nasser |
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Challengers of the Unknown #82
September, 1977
Cover Price: $0.35
7 copies available from $3.80
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| Gerry Conway | Mike Nasser |
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Challengers of the Unknown #83
November, 1977
Cover Price: $0.35
8 copies available from $3.09
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| Gerry Conway | Keith Giffen |
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Challengers of the Unknown #84
January, 1978
Cover Price: $0.35
5 copies available from $5.25
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| Gerry Conway | Keith Giffen, John Celardo |
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Challengers of the Unknown #85
March, 1978
Cover Price: $0.35
6 copies available from $4.00
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| Gerry Conway | Keith Giffen, John Celardo |
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Challengers of the Unknown #86
May, 1978
Cover Price: $0.35
11 copies available from $1.50
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| Gerry Conway | Keith Giffen |
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Challengers of the Unknown #87
July, 1978
Cover Price: $0.35
6 copies available from $4.75
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| Gerry Conway, Carla Conway | Keith Giffen |