Comic Title: Showcase #90
Publisher: DC (National Periodical Publications, Inc.)
Address: 909 Third Avenue, New York, NY
Cover Date: May 1970
On Sale Date: March 10, 1970 Newsstand Date March 10, 1970
Source: House Ad, Superman #226, Page 26

Newsstand Date March 10, 1970
Source: Comic Reader, #77

Copyright Date March 10, 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: "Incident on Krobar 3"
Pages: 2

Feature(s):
Manhunter 2070

Penciller: Mike Sekowsky
Inker: Dick Giordano