On-sale date from copyright registration.
Per Joe Simon's interview in Comic Book Artist #5 (Summer 1999), Simon provided layouts and inks, with Bare doing finished pencils. Story is signed "By Joe Simon."
Story in three parts: unnumbered part 1; part 2: "Attack of the Berlin Baron"; and part 3: "The Hippies Make the Demonstration Scene." Page 8 is a 2/3 page.