Comic Title: Showcase #91
Publisher: DC (National Periodical Publications, Inc.)
Address: 909 Third Avenue, New York, NY
Cover Date: June 1970
On Sale Date: April 28, 1970 Newsstand Date April 28, 1970
Source: House Ad, Binky #73, Page 30

Copyright Date April 28, 1970
Source: Library of Congress, Periodicals 1970

Frequency: Monthly with the exception of Jan., Apr., July and October
Cover Price: $0.15
Page Count: 32
Editor: Mike Sekowsky

Title: "Space Duel"
Pages: 2

Feature(s):
Manhunter 2070

Writer/Penciller: Mike Sekowsky
Inker: Vince Colletta