On sale date from the publication date reported to the U.S. Copyright Office found in the Catalog of Copyright Entries, Third Series, Volume 23, Part 2, Periodicals, January-December 1969. Class B periodical. Copyright registration number B516613. Typo lists the month as "Jan." in error when they meant June.
Story is in two parts:
"Clark Kent, Hero and Superman, Public Enemy" 10 pages
"The Fickle Finger of Fame" 7 pages