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#4
Zip Comics #4
CGC Census
21
Total Graded
0
9.8 NM/MT
1
8.0 VF
Cummings is suspected of stealing all the radium from his own hospital, and his daughter gets the help of detective Sterling.
Cover Date
May 1, 1940
On Sale Date
March 10, 1940
Pages
68
Cover Price
$0.10
Editor
Vertigo Boy
Credits
Penciller
Characters
Steel Sterling [John Sterling]; Walter Cummings (scientist); Dora Cummings (daughter); Black Knight (villain)
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