Vampirella cameo is a colorized reprint from Vampirella (Warren, 1969 series) #1 (September 1969); the rest of the art is new.
"newspaper article" about users of HYDE-25 [Jackass] drug; illustrated with B&W reprint of part of cover painting from Eerie (Warren, 1966 series) #115 (October 1980)
Colored reprint of originally black-and-white material; most likely part of story from story in Eerie #63, though may also contain pages from stories in Eerie #60 and #65.
stapled-in coupon insert for mail-in HYDE-25 poster offer
prelude story to 2 issue HYDE-25 limited series
introduction/title page for Vampirella reprint story; illustrated with photo of cover for Vampirella (Warren, 1969 series) #1 (September 1969)
Colored reprint of first origin story for Vampirella. Costume worn by character differs from costume used in Frazetta cover art and later stories.