Norman’s looking especially sinister (or crazy) here.
Spectacular Spider-Man Magazine (Vol. 1) #2
Published: c. September, 1968?
Cover Date: November, 1968
“The Goblin Lives!”
Writer: Stan Lee
Artist: John Romita
Inker: Jim Mooney
Letterer: Sam Rosen
Norman in that panel really looks like he did in the last panel of ASM #39.