EC, 1955 Series
 
Extra! #1
Issue 1
March-April 1955
Add/replace cover
Extra! #2
Issue 2
May-June 1955
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Extra! #3
Issue 3
July-August 1955
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Extra! #4
Issue 4
September-October 1955
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Extra! #5
Issue 5
November-December 1955
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