Amazing Spider-Man #170 features Doctor Faustus cover and appearance.  Faustus terrorizes Spidey with many of his enemies, including Rhino, Vulture, Doctor Octopus, Green Goblin, and Man Wolf (all villains on cover)!  Cover and art by Ross Andru, story by Len Wein.  This book is graded 9.6 NM+ with white pages by CGC.