This issue is a variant of The Amazing Spider-Man (Marvel, 1963 series) #271 [Direct]. There exist further variants.
Per Ron Frenz on Facebook, John Romita inked this cover, not Joe Rubenstein, as we formerly had. Correction submitted by Mike Fichera and Craig Brasfield via the GCD Error Tracker.
Letters from Chris Hammond, Sal Toci, Chris Hoyt, Danny Lippitt, Julian Imrie, C.K., Tim Dwyer, Tony Garcia, Thomas W. O'Brien, Brooke Rosenbaum, Tony Yee, J. SMith, Eric Pfeffinger.
Also, Jim Owsley and Mike Harris write about the passing of Dan Crespi.