Amazing Spiderman 31 CGC 4.0 1965. Such a gem of a cover by Steve Ditko. First appearances of Gwen Stacy, Harry Osborn, and Professor Warren. First appearance of the Master Planner (revealed in issue 32 to be Doctor Octopus) in "If This Be My Destiny, script by Steve Ditko (plot) and Stan Lee (script), art by Steve Ditko; Aunt May falls deathly ill on Peter's first day of college. Meanwhile, the Master Planner is stealing scientific gadgets. Marvel Bullpen Bulletins, art by Steve Ditko and Marie Severin; Bullpen Bulletins page discussing staff; Marvel Checklist; ads for Spider-Man T-Shirt and MMMS. Letter to the editor from comics writer Don McGregor. https://facebook.com/theembassycollection